The Norwegian Royal Family attended the annual Christmas Day service in the picturesque Holmenkollen Chapel on December 25, 2018 in Oslo

The Norwegian Prince Sverre Magnus looked straight ahead as he carefully escorted his grandmother Queen Sonja, 81, across the snowy ground on the outskirts of Oslo

Norway's Crown Prince Haakon and Crown Princess Mette-Marit, pictured, joined the King and Queen of Norway at the annual Christmas Day service 2018 in Oslo.

Princess Ingrid Alexandra, with her father Crown Prince Haakon to her right and brother and Prince Sverre Magnus to her left, wore a grey coat and heart pendant to the annual Christma Day service 2018 in Oslo

Crown Princess Mette-Marit of Norway wore a floral coat to the annual Christmas Day service 2018 at the picturesque Holmenkollen Chapel on the outskirts of Oslo which was burned down in an arson attack in 1992

Norway's Queen Sonja also took the arm of her grand-daughter Princess Ingrid Alexandra, pictured, flanked by Prince Sverre Magnus and King Harald, in Oslo as they attend the Christmas Day service 2018 at Holmenkollen Chapel

Norway's Queen Sonja took the elbow of her 13-year-old grandson Prince Sverre Magnus as the Norwegian royal family left a Christmas day service 2018 in Oslo

King Harald V of Norway, who has been on the throne since 1991, wore a thick overcoat buttoned up against the cold as he left the Christmas Day service 2018 at Holmenkollen Chapel in Oslo accompanied by Priest Silje Karlsen

Norway's Crown Princess Mette-Marit  and husband Crown Prince Haakon leave Holmenkollen chapel after the Christmas Day service 2018 in Oslo.

Crown Princess Victoria of Sweden attended United Nations summit in New York on September 24, 2018

Crown Princess Victoria of Sweden was back to her busy schedule as she made a speech during the General Assembly of the United Nations in New York on Monday, September 24, 2018

Crown Princess Victoria of Sweden put on a colorful appearance in a floral frock as she addressed members of the audience global sustainable development goals, focusing on keeping the ocean clean and marine resources

Sweden’s Crown Princess Victoria wearing her hair in a sleek bun, she put on a chic display in a floral frock for the occasion, opting for minimal make-up and carrying a matching bag to her shoes as she left the venue at the United Nations summit 2018 in New York

Crown Prince Haakon of Norway was also present at the high-level meeting on oceans during the General Assembly of the United Nations in New York, looking dapper in a navy suit

Swedish Crown Princess Victoria's dress featured a floral pattern and high neck collar with bell sleeves and a frilly hem reaching just below her knees.  Teaming it with a pair of nude heels, she flashed a glimpse of her impressive engagement ring as she addressed the room at the United Nations summit 2018 in New York.

Norway National Day 2018 at Skaugum Farm in Asker on May 17, 2018 in Oslo, Norway.

The Norwegian Royal Family can be seen taking in a colorful parade on a sunny National Day 2018 in Oslo

Prince Sverre Magnus of Norway, who brought the family dog Labradoodle Muffins, looked dapper during Norway's National Day 2018 in Oslo, Norway.

(C) Princess Mette Marit wore a checked skirt with a white blouse, a traditional lace-up waistcoat, and statement brooch. Meanwhile, Princess Ingrid Alexandra wore a similar ensemble to her mother's along with a white pinafore. Young Prince Sverre Magnus looked handsome in a smart coat, plus fours, knee socks, and buckled shoes, as he and his sister guided the family dogs down the steps to wave to onlookers, during Norway's National Day 2018 in Oslo

Norway's Royal family don traditional costume to mark National Day 2018 - and even their dog Muffins has a patriotic ribbon! from L-R: Prince Sverre Magnus, Crown Princess Mette-Marit, and Princess Ingrid Alexandra

(L-R) Norway’s Royal family Prince Sverre Magnus, his mother Crown Princess Mette-Marit, his sister Princess Ingrid Alexandra and his father Crown Prince Haakon watched the children's parade during the celebration of Norway's National Day 2018 at Skaugum, Asker

(L-R) Norway's Prince Sverre Magnus, Crown Princess Mette Marit, Princess Ingrid Alexandra and Crown Prince Haakon speak to the children during the children's parade in 2018 at Skaugum, Asker in Oslo, Norway.

(L-R) Prince Sverre Magnus looked handsome in a grey coat and striped waistcoat, his socks pulled up to his knees as he posed for pictures with his family, Crown Princess Mette-Marit, Princess Ingrid Alexandra and Crown Prince Haakon of Norway

Crown Princess Mette-Marit and Crown Prince Haakon of Norway, were joined by their children Princess Ingrid Alexandra, 14, and son Prince Sverre Magnus, 12, as well as their sweet dog Muffins Krakebolle waved to the gathered crowds as they watched the parade, during Norway's National Day 2018 in Oslo.

(L-R) Prince Sverre Magnus, Crown Princess Mette Marit, Princess Ingrid Alexandra and Crown Prince Haakon of Norway wearing their national costumes and standing with their pet dog Muffins Krakebolle, Milly Kakao attend the children's parade at Skaugum, Asker on May 17, 2018, in Oslo, Norway.

(L-R) Norway's Prince Sverre Magnus, Crown Princess Mette Marit, Princess Ingrid Alexandra and Crown Prince Haakon outside their home at Skaugum Farm standing with their pet dog Muffins Krakebolle, Milly Kakao in Asker during Norway's National Day 2018 in Oslo, Norway.

(L-R) Norway's Crown Princess Mette Marit, Prince Sverre Magnus, Princess Ingrid Alexandra and Crown Prince Haakon, Muffins Krakebolle and Milly Kakao bidding the children's parade farewell and going into their house of residence at Skaugum, Asker on Norway's National Day 2018 in Oslo, Norway.

(L-R) Norway's Prince Sverre Magnus, Crown Princess Mette Marit, Princess Ingrid Alexandra and Crown Prince Haakon outside their home at Skaugum Farm standing with their pet dog Muffins Krakebolle, Milly Kakao in Asker during Norway's National Day on May 17, 2018, in Oslo, Norway.

(L-R) Norway's Prince Sverre Magnus, Crown Princess Mette Marit, Princess Ingrid Alexandra and Crown Prince Haakon Magnus wearing their national costumes during the children's parade at Skaugum, Asker on Norway's National Day 2018 in Oslo, Norway.

Princess Ingrid Alexandra of Norway cuddling her pet dog Milly Kakao during the Norwegian National Day 2018 at Skaugum, Asker in Oslo, Norway.

(L-R) Norway's Prince Sverre Magnus, Crown Princess Mette Marit, Princess Ingrid Alexandra and Prince Haakon Magnus outside their home at Skaugum Farm standing with their pet dog Muffins Krakebolle, Milly Kakao in Asker during Norway's National Day 2018 in Oslo, Norway.

(L-R) Norway's Prince Sverre Magnus, Crown Princess Mette Marit, Princess Ingrid Alexandra and Crown Prince Haakon Magnus wearing their national costumes with their pet dog Muffins Krakebolle, Milly Kakao during the children's parade at Skaugum, Asker on Norway's National Day 2018 in Oslo, Norway.

Milly Kakao the royal pet dog at Skaugum Farm in Asker during Norway's National Day  2018, in Oslo, Norway.

Muffins Krakebolle the royal pet dog at Skaugum Farm in Asker during Norway's National Day 2018 in Oslo, Norway.

Prince Sverre Magnus of Norway donned a traditional dress to celebrate the country's National Day 2018 at Skaugum Farm in Askerin Oslo, Norway.

(L-R) Norway's Crown Princess Mette Marit, Prince Sverre Magnus, Princess Ingrid Alexandra and Crown Prince Haakon Magnus with their royal dogs, Muffins Krakebolle and Milly Kakao bidding the children's parade farewell and going into their house of residence at Skaugum, Asker on Norway's National Day 2018 in Oslo, Norway.

(L-R) Norway's Prince Sverre Magnus, Crown Princess Mette Marit, Princess Ingrid Alexandra and Crown Prince Haakon wearing their national costumes and standing with their pet dog Muffins Krakebolle, Milly Kakao attend the children's parade at Skaugum, Asker on May 17, 2018, in Oslo, Norway.

(L-R) Norway's Prince Sverre Magnus, Crown Princess Mette Marit, Princess Ingrid Alexandra and Crown Prince Haakon wearing their national costumes and standing with their pet dog Muffins Krakebolle, Milly Kakao attend the children's parade at Skaugum, Asker on May 17, 2018, in Oslo, Norway.

Young Prince Sverre Magnus looked handsome in a smart coat, plus fours, knee socks and buckled shoes, standing with their pet dog Muffins Krakebolle who sporting a patriotic ribbon for the special occasion. Meanwhile, Crown Princess Mette Marit wore a checked skirt, with a white blouse, a traditional lace upwaistcoat and statement brooch waved to the gathered crowds as they watch the children's parade 2018 at Skaugum, Asker in Oslo

(L-R) Norway's Prince Sverre Magnus, Crown Princess Mette Marit, Princess Ingrid Alexandra and Crown Prince Haakon wearing their national costumes and standing with their pet dogs Muffins Krakebolle, Milly Kakao who both sporting a patriotic ribbon attend the children's parade 2018 at Skaugum, Asker in Oslo.

(L-R) Norway's Prince Sverre Magnus, Crown Princess Mette Marit, Princess Ingrid Alexandra and Crown Prince Haakon wearing their national costumes and standing with their pet dogs Muffins Krakebolle, Milly Kakao who both sporting a patriotic ribbon attend the children's parade 2018 at Skaugum, Asker in Oslo.

Crown Princess Mette Marit of Norway wore her blonde hair in a sleek center as she looks on during the celebration of Norway's National Day 2018 at Skaugum in Asker in Oslo, Norway.

Princess Ingrid Alexandra of Norway looks on during the childrens parade at Skaugum, Asker on Norway's National Day 2018 in Oslo, Norway.

Crown Prince Haakon Magnus of Norway looks on during the childrens parade at Skaugum, Asker on Norway's National Day 2018 in Oslo, Norway.

Crown Prince Haakon Magnus of Norway, donned traditional dress as he held a bouquet of flowers as he greet the children's parade during the celebration of Norway's National Day 2018 at Skaugum in Asker in Oslo, Norway.

Princess Ingrid Alexandra of Norway looks on during the childrens parade at Skaugum, Asker on Norway's National Day 2018 in Oslo, Norway.

Princess Ingrid Alexandra and Crown Prince Haakon Magnus of Norway wearing their national costumes during the childrens parade at Skaugum, Asker on Norway's National Day 2018 in Oslo, Norway.

Crown Prince Haakon Magnus of Norway wave to onlookers outside their home at Skaugum Farm in Asker during Norway's National Day 2018 in Oslo, Norway.

Princess Ingrid Alexandra of Norway smiles to onlookers outside their home at Skaugum Farm in Asker during Norway's National Day 2018 in Oslo, Norway.

Crown Princess Mette Marit of Norway waved to the gathered crowds outside their home holding a bouquet of flowers at Skaugum Farm in Asker during Norway's National Day 2018 in Oslo, Norway.

(L-R) Norway's Crown Prince Haakon, Crown Princess Mette-Marit, Princess Ingrid Alexandra, Queen Sonja and King Harald wave from the balcony during National Day celebrations at the Royal Palace in Oslo, Norway on May 17, 2018.

Princess Ingrid Alexandra and Crown Prince Haakon Magnus waved to the gathered crowds outside their home at Skaugum Farm in Asker standing with their royal pet dog Milly Kakao who is sporting a patriotic ribbon for the occasion during Norway's National Day 2018 in Oslo, Norway.

Crown Princess Mette Marit and Princess Ingrid Alexandra of Norway wearing their national costumes greet the children's parade during the celebration of Norway's National Day 2018 at Skaugum, Asker in Oslo.