Kensington Palace has released three adorable new pictures to mark the future king's Prince George of Cambridge sixth birthday on July 22, 2018, was taken by his mother Catherine, Duchess of Cambridge

Prince George of Cambridge picture taken during a family vacation at an undisclosed location. He is wearing a pair of blue and white striped swimming nautical shorts, a green polo shirt from High Street store H&M as he poses for the camera.

The future king Prince George of Cambridge laughs as he lies playfully in the garden of their home at Kensington Palace - the young Prince in the white England football home shirt.

The birthday boy Prince George of Cambridge shows off his cheeky smile and missing baby teeth in the photographs -  wearing an English football shirt.

Prince George of Cambridge and cousin Mia Tindall pictured at the Burnham Horse Trials in April 2019

Prince George and his sister Princess Charlotte, four, playing together as they attended the King Power Royal Charity Polo Day at Billingbear Polo Club on July 10, 2019, in Wokingham

Cheeky page boy! The birthday boy Prince George couldn't contain his excitement during Princess Eugenie's wedding in Windsor on 12 October 2018 - and was pictured with his hand over his mouth in shock, from left his sister Princess Charlotte of Cambridge and cousin Savannah Phillips

Pictured, Prince George on his first birthday with his mother Catherine, Duchess of Cambridge who makes sure to cover her son's ears with noise-canceling headphones to protect his hearing when out in a particularly loud environment.

A royal wave! Prince George has grown to be more serious in front of the press but in 2016, aged three, he graced the media with a cute wave. Pictured, leaving from Victoria Harbour to board a sea-plane on the final day of their Royal Tour of Canada on October 1, 2016

Prince George of Cambridge put on a serious display when he attended the wedding of cousin Princess Eugenie to Jack Brooksbank at St George's Chapel on October 12, 2018, in Windsor

During the Canada Tour of 2016, Prince George, then three, enjoyed some downtime and was pictured smiling as he played with some bubbles at a children's tea party at Government House in Victoria on September 29, 2016

All smiles! Prince George also showed off his gap-toothed grin in his official portrait for his fifth birthday in July 2018

Prince George and sister Princess Charlotte was seen hanging out in the boot of the car during the King Power Royal Charity Polo Day at the Billingbear Polo Club in Wokingham on July 10, 2019

Prince George was engaged in a game of football, while his younger brother Prince Louis run around in the background during the King Power Royal Charity Polo Day at the Billingbear Polo Club in Wokingham on July 10, 2019

Prince George of Cambridge, aged two, photographed taking a tumble at the Gigaset Charity Polo Match at the Beaufort Polo Club on June 14, 2015

The young Prince George of Cambridge was pictured playing tricks behind cousin Isla Phillips at St George Chapel, in Windsor, on the day of Princess Eugenie's wedding on October 12, 2018

Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018 in Gloucester, England.

Princess Charlotte of Cambridge looked ready for the summer in a pretty pink dress with matching sunglasses at Beaufort Polo Club in Gloucestershire on June 10, 2018

Catherine, Duchess of Cambridge stepping out to a charity polo match, she wore a Zara striped off the shoulder cotton blue dress, features the tie-waist, shirred front, fold over neckline and button detail.

Prince George of Cambridge enjoyed playing with a toy during the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018, in Gloucester, England.

Princess Charlotte of Cambridge during the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018, in Gloucester, England.

Catherine, Duchess of Cambridge and Princess Charlotte of Cambridge during the Maserati Royal Charity Polo Trophy 2018 at Beaufort Park in Gloucester, England.

Princess Charlotte of Cambridge, sporting a sleeveless pink dress and holding sunglasses, during the Maserati Royal Charity Polo Trophy 2018 at Beaufort Park in Gloucester, England

Catherine, Duchess of Cambridge during the Maserati Royal Charity Polo Trophy 2018 at Beaufort Park in Gloucester, England.

Catherine, Duchess of Cambridge dressed in a light blue striped open shoulder dress by Zara and wedges, was pictured sitting on the grass during the Royal Charity Polo Trophy 2018 at Beaufort Park in Gloucester, England.

Prince George of Cambridge, four and Princess Charlotte of Cambridge, three could be seen careering around the grounds at the Beaufort Polo Club wearing the Hampton plum canvas shoes which cost just £26 a pair

Catherine, Duchess of Cambridge was spotted wearing a £39.99 striped dress by Zara while at a charity polo match in Gloucestershire on Sunday, June 10, 2018

Princess Charlotte enjoyed a day out at the polo in a pale pink pick by The Little White Company. The sweet dress had an all-over ditsy floral print and a sleeveless design and she'd paired it with Trotters canvas shoes

Prince George of Cambridge and Princess Charlotte of Cambridge playing together during the Maserati Royal Charity Polo Trophy 2018 at Beaufort Park in Gloucester, England.

Prince George and Princess Charlotte had fun in the sun with their mother Catherine, Duchess of Cambridge as their father played polo.

Princess Charlotte of Cambridge in a pale pink The Little White Company 'Amelia' floral sleeveless dress as she enjoyed a day out at the polo at Beaufort Park in Gloucester, England

Prince George of Cambridge and Princess Charlotte of Cambridge during the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018, in Gloucester, England.

Prince George of Cambridge, looked smart in beige cargo shorts and a blue polo shirt, wearing a pair of Hampton plum canvas plimsoll shoes by Trotters, as he enjoyed a day out at the polo charity event at Beaufort Park in Gloucester, England. 

Catherine, Duchess of Cambridge with Princess Charlotte of Cambridge and Prince George of Cambridge during the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018, in Gloucester, England.

Princess Charlotte of Cambridge looked ready for the summer in a pretty floral pink dress by The Little White Company with matching sunglasses

The Duchess of Cambridge looked every inch the doting mother as she kept a watchful eye on Prince George and Princess Charlotte, who both wearing Trotters shoes at a charity polo match in Gloucestershire

It wasn't long before Princess Charlotte kicked off her blue canvas plimsolls Trotters shoes to run around the pitch barefoot. The little Princess was also wearing an adorable £34 'Amelia' floral dress from The Little White Company and a pair of matching pink sunglasses.

Catherine, Duchess of Cambridge wore a blue striped cotton dress by Zara  which she teamed with a pair of rope wedges appeared in excellent spirits as she ran across the grass at a charity polo match in Gloucestershire

The beaming Catherine, Duchess of Cambridge dressed casually in a £39.99 Zara dress and Russell & Bromley wedges as she turned out to watch her husband play during Royal Charity Polo Trophy 2018 at Beaufort Park in Gloucester, England.

The Duchess of Cambridge was the vision of a loving parent as she held both Princess Charlotte and Prince George as they watched their father take part in a charity polo match in Gloucestershire

 Prince George of Cambridge during the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018, in Gloucester, England.

Prince George plays with his toy as he sits with his mother the Duchess of Cambridge and sister Princess Charlotte as they watched their father take part in a charity polo match in Gloucestershire

Princess Charlotte of Cambridge running around during the Maserati Royal Charity Polo Trophy 2018 at Beaufort Park, England.

The Duchess of Cambridge was the vision of the loving parent as she held both Princess Charlotte and Prince George as they watched their father take part in a charity polo match

AddPrince George of Cambridge and Princess Charlotte of Cambridge play together during the Maserati Royal Charity Polo Trophy 2018 at Beaufort Park in Gloucester, England. caption

Catherine, Duchess of Cambridge was the vision of the caring parent as she held both Princess Charlotte and Prince George, whom busy playing with his walkie-talkie toy as they watched their father take part in a charity polo match

Prince George and sister Princess Charlotte, seen careering around the grounds at the Beaufort Polo Club

The Duchess of Cambridge wore a blue striped cotton dress by Zara teamed with Russell & Bromley wedges, as she steps out to watch her husband play at a charity polo match in Gloucestershire

Catherine, Duchess of Cambridge playing with Prince George of Cambridge during the Maserati Royal Charity Polo Trophy 2018 at Beaufort Park in Gloucester, England. 

Catherine, Duchess of Cambridge demonstrate the spiral toy with Prince George of Cambridge during the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018, in Gloucester, England.

Prince George of Cambridge, in beige cargo shorts and a blue polo shirt, teamed with a pair of Hampton plum canvas plimsoll shoes by Trotters, with younger sister Princess Charlotte of Cambridge who sporting a sleeveless pink 'Amelia' dress by The Little White Company and holding sunglasses, was pictured skipping along barefoot, as they enjoyed a day out at the polo charity event at Beaufort Park in Gloucester, England

Prince George of Cambridge during the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018, in Gloucester, England.

Prince George of Cambridge, dressed in beige shorts and a navy t-shirt, was pictured carrying some police toys during a day out at the polo at Beaufort Park in Gloucester, England

Catherine, Duchess of Cambridge dressed in a light blue open shoulder Zara dress and wedges sandals, was pictured sitting on the grass with Prince George and Princess Charlotte playing next to her.

Catherine, Duchess of Cambridge with Princess Charlotte of Cambridge and Prince George of Cambridge seen playing with a spiral toy during the Maserati Royal Charity Polo Trophy 2018 at Beaufort Park in Gloucester, England.

Prince George of Cambridge, dressed in beige cargo shorts and a navy polo shirt, teamed with a pair of Hampton plum canvas plimsoll shoes by Trotters, as he enjoyed a day out at the polo at Beaufort Park in Gloucester, England

Catherine, Duchess of Cambridge was a picture of a dotting parent as she held Princess Charlotte and Prince George sit next to her as they watched their father take part in a charity polo match in Gloucestershire 

Catherine, Duchess of Cambridge talks with Prince George of Cambridge during the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018, in Gloucester, England.

The Duchess of Cambridge was pictured as a loving parent as she held both Princess Charlotte and Prince George as they watched their father take part in a charity polo match

Catherine, Duchess of Cambridge appears to play with a spiral toy as Prince George of Cambridge watched during the Maserati Royal Charity Polo Trophy 2018  at Beaufort Park in Gloucester, England.

Prince George of Cambridge, dressed in beige cargo shorts and a navy polo shirt, teamed with a pair of Hampton plum canvas plimsoll shoes by Trotters, as he enjoyed playing with a spiral toy during a day out at the polo at Beaufort Park in Gloucester, England

Prince George of Cambridge seen careering around the grounds at the Beaufort Polo Club

 Prince George of Cambridge and Princess Charlotte of Cambridge during the Maserati Royal Charity Polo Trophy 2018 at Beaufort Park in Gloucester, England.

Catherine, Duchess of Cambridge during the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018, in Gloucester, England.

Catherine, Duchess of Cambridge dressed casually in a flattering blue striped cotton Zara dress, teamed with Russell & Bromley wedges sandals and carried a white Victoria Beckham bag.  Prince George of Cambridge, looked smart in beige cargo shorts and a navy polo shirt, wearing a pair of Hampton plum canvas plimsoll Trotters shoes, while Princess Charlotte of Cambridge who was sporting a sleeveless pink 'Amelia' dress by The Little White Company, wearing a matching sunglasses and she'd paired it with Trotters canvas shoes, during a family day out at the polo at Beaufort Park in Gloucester, England

Princess Charlotte was clearly enjoying spending time in the great outdoors as she slid down a grassy verge during a day out at the polo match in Gloucester, England

Princess Charlotte of Cambridge in a pale pink Amelia dress by The Little White Company and holding sunglasses. The sweet dress had an all-over ditsy floral print and a sleeveless design and she'd paired it with Trotters canvas shoes that allowed Charlotte to play comfortably, at a charity polo match in Gloucestershire

 Catherine, Duchess of Cambridge with  Prince George of Cambridge and Savannah Phillips during the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018, in Gloucester, England.

Catherine, Duchess of Cambridge with Prince George of Cambridge and Princess Charlotte of Cambridge during the Maserati Royal Charity Polo Trophy 2018 at Beaufort Park in Gloucester, England.

Catherine, Duchess of Cambridge with Prince George of Cambridge and Princess Charlotte of Cambridge during the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018, in Gloucester, England.

Catherine, Duchess of Cambridge dressed casually in a flattering blue striped cotton Zara dress, teamed with Russell & Bromley wedges sandals, carried her daughter Princess Charlotte of Cambridge who was sporting a sleeveless pink 'Amelia' dress by The Little White Company, wearing a matching sunglasses and she'd paired it with Trotters canvas shoes, during a family day out at the polo at Beaufort Park in Gloucester, England

Princess Charlotte looked ready for the summer in a pretty pink dress enjoyed a day out at the polo at Beaufort Park in Gloucester, England

Catherine, Duchess of Cambridge and daughter Princess Charlotte of Cambridge up the hill enjoyed their day out at the polo match in Gloucester, England.

Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge during the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018, in Gloucester, England.

The Duchess of Cambridge sits with Princess Charlotte and Autumn Phillips and her children, Savannah and Isla, as her husband the Duke of Cambridge takes part in the Maserati Royal Charity Polo Trophy at the Beaufort Polo Club, Down farm House, Westonbirt, Tetbury.

Princess Charlotte plays as her father, the Duke of Cambridge takes part in the Maserati Royal Charity Polo Trophy at the Beaufort Polo Club, Down farm House, Westonbirt, Tetbury.

Princess Charlotte plays as her father, the Duke of Cambridge takes part in the Maserati Royal Charity Polo Trophy at the Beaufort Polo Club, Down farm House, Westonbirt, Tetbury.

Catherine, Duchess of Cambridge and Princess Charlotte of Cambridge during the Maserati Royal Charity Polo Trophy 2018 at Beaufort Park in Gloucester, England.

Princess Charlotte of Cambridge who sporting a sleeveless pink 'Amelia' dress by The Little White Company and holding sunglasses as she enjoyed a day out at the polo at Beaufort Park in Gloucester, England

Princess Charlotte of Cambridge playing as she showed off her gymnastic skills with a handstand during a day out at the polo at Beaufort Park in Gloucester, England

Princess Charlotte of Cambridge playing during the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018, in Gloucester, England.

Catherine, Duchess of Cambridge dressed casually in a flattering blue striped cotton Zara dress, teamed with a dove grey Victoria Beckham tote bag, with daughter Princess Charlotte of Cambridge who was sporting a sleeveless pink 'Amelia' dress by The Little White Company, wearing a matching sunglasses and she'd paired it with Trotters canvas shoes, during a family day out at the polo at Beaufort Park in Gloucester, England

Catherine, Duchess of Cambridge with Prince George and Princess Charlotte in the Maserati Royal Charity Polo Trophy at the Beaufort Polo Club, Down farm House, Westonbirt, Tetbury.

Catherine, Duchess of Cambridge while Prince George playing with his toys as Princess Charlotte looks on in the Maserati Royal Charity Polo Trophy at the Beaufort Polo Club, Down farm House, Westonbirt, Tetbury.

Princess Charlotte plays as her father, the Duke of Cambridge takes part in the Maserati Royal Charity Polo Trophy at the Beaufort Polo Club, Down farm House, Westonbirt, Tetbury.

Princess Charlotte in a pale pink Amelia dress by The Little White Company and sunglasses. The sweet dress had an all-over ditsy floral print and a sleeveless design and she'd paired it with Trotters canvas shoes

Catherine, Duchess of Cambridge with Prince George of Cambridge and Princess Charlotte of Cambridge, appeared to be searching in their mother's white Victoria Beckham bag as they attend the Maserati Royal Charity Polo Trophy 2018 at Beaufort Park in Gloucester, England.

 Catherine, Duchess of Cambridge, Prince George of Cambridge and Princess Charlotte of Cambridge attend the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018, in Gloucester, England.

Prince George and Princess Charlotte plays as their mother Catherine, Duchess of Cambridge watched them closely, enjoyed a family day out at the polo at Beaufort Park in Gloucester, England

 Catherine, Duchess of Cambridge and playful Princess Charlotte of Cambridge attend the Maserati Royal Charity Polo Trophy 2018 at Beaufort Park in Gloucester, England.

Catherine, Duchess of Cambridge and Princess Charlotte of Cambridge attend the Maserati Royal Charity Polo Trophy 2018 at Beaufort Park in Gloucester, England.

Catherine, Duchess of Cambridge and Princess Charlotte of Cambridge attend the Maserati Royal Charity Polo Trophy at Beaufort Park in Gloucester, England.

Princess Charlotte of Cambridge plays on the grass during the Maserati Royal Charity Polo Trophy 2018 at Beaufort Park in Gloucester, England.

Princess Charlotte of Cambridge and Prince George of Cambridge plays on the grass during the Maserati Royal Charity Polo Trophy at Beaufort Park in Gloucester, England.

Catherine, Duchess of Cambridge in a flattering Zara number, which she  teamed with Russell & Bromley wedges sandals, with her daughter Princess Charlotte of Cambridge who sporting a sleeveless pink 'Amelia' dress by The Little White Company and holding sunglasses, as they enjoyed a day out at the polo at Beaufort Park in Gloucester, England

Catherine, Duchess of Cambridge and Princess Charlotte of Cambridge enjoyed a day out at the polo at Beaufort Park in Gloucester, England

Princess Charlotte of Cambridge got silly in a pair of shades, which matched her sleeveless pink Amelia floral dress. She sported navy Trotters sneakers with the summery look. Meanwhile, her mother Catherine, Duchess of Cambridge donned a chic affordable frock by Zara as they enjoyed a more casual family outing at the Maserati Royal Charity Polo Trophy in Gloucester, England.

The Duchess of Cambridge gave Princess Charlotte a cuddle as they watched Prince William compete in the charity polo match

(front) Prince George of Cambridge with sister Princess Charlotte of Cambridge (back row 2nd-R) and their cousins Savannah Phillips and Isla Phillips during the Maserati Royal Charity Polo Trophy 2018 at Beaufort Park in Gloucester, England.

(L-R) Savannah Phillips, Prince George of Cambridge, Catherine, Duchess of Cambridge and Princess Charlotte of Cambridge during the Maserati Royal Charity Polo Trophy 2018 at Beaufort Park in Gloucester, England

(L-R) Princess Charlotte of Cambridge performing somersault, Peter Phillips, Autumn Phillips, Prince George of Cambridge, Savannah Phillips, and Catherine, Duchess of Cambridge during the Maserati Royal Charity Polo Trophy at Beaufort Park in Gloucester, England.

Princess Charlotte of Cambridge, sporting a sleeveless pink 'Amelia' dress by The Little White Company and holding sunglasses, was pictured skipping along barefoot, as she enjoyed a day out at the polo at Beaufort Park in Gloucester, England

Princess Charlotte of Cambridge plays with the baby during the Maserati Royal Charity Polo Trophy 2018 at Beaufort Park in Gloucester, England.

(L-R) Prince George of Cambridge, Princess Charlotte of Cambridge, Savannah Phillips, and Autumn Phillips attend the Maserati Royal Charity Polo Trophy at Beaufort Park on June 10, 2018, in Gloucester, England.

Catherine, Duchess of Cambridge dressed casually in a £39.99 Zara dress and Russell & Bromley wedges, looked every inch the doting mother as she kept a watchful eye on Prince George and Princess Charlotte, both wearing Trotters shoes

The Duchess of Cambridge appeared to tickle Princess Charlotte while Prince George, four, enjoyed playing with a toy, as they enjoyed a family day out at the polo at Beaufort Park in Gloucester, England

Catherine, Duchess of Cambridge and Princess Charlotte of Cambridge enjoyed a family day out at the polo at Beaufort Park in Gloucester, England

The Duchess of Cambridge appeared to tickle Princess Charlotte as they enjoyed a family day out at the polo at Beaufort Park in Gloucester, England

Catherine, Duchess of Cambridge gave Princess Charlotte a cuddle as they watched Prince William compete in the charity polo match

Princess Charlotte of Cambridge, sporting a sleeveless pink 'Amelia' dress by The Little White Company and holding sunglasses, was pictured skipping along barefoot, as she enjoyed a day out at the polo at Beaufort Park in Gloucester, England

Princess Charlotte of Cambridge in a pale pink by The Little White Company. The sweet dress had an all-over ditsy floral print and a sleeveless design and holding sunglasses, was pictured skipping along barefoot, as she enjoyed a day out at the polo at Beaufort Park in Gloucester, England

Prince George of Cambridge and Princess Charlotte of Cambridge are looking inside the tote bag of their mother Catherine, Duchess of Cambridge during the Maserati Royal Charity Polo Trophy 2018 at the Beaufort Polo Club in Gloucester, England

Princess Charlotte of Cambridge relax in the sunshine at Prince William´s charity polo match in Gloucestershire

Princess Charlotte looked ready for the summer in a pretty pink dress as she relaxing  in the sunshine at her father's Prince William´s charity polo match in Gloucestershire

Princess Charlotte of Cambridge looking for something in her mother's tote bag during a day out at a charity polo match in Gloucestershire