Queen Margrethe II of Denmark Celebrates Her 77th Birthday at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Princess Mary was joined by her husband, Crown Prince Frederik, and her children, Prince Christian, Princess Isabella, Prince Vincent, and his twin sister Princess Josephine, who made for a very stylish family, as they attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

(L-R) Queen Margrethe, Princess Marie and her daughter Princess Athena, Princess Josephine, Prince Henrik Carl, Princess Isabella, Crown Princess Mary, Prince Christian, Crown Prince Frederik and Prince Vincent of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Prince Frederik and Crown Princess Mary played the doting parents as they cuddled up to their children from left to right Prince Christian, Princess Isabella and Prince Vincent at the balcony of Marselisborg Palace in Aarhus

Prince Consort Henrik, Crown Prince Frederik, Crown Princess Mary, Prince Christian, Princess Isabella, Prince Vincent and Princess Josephine attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Denmark's Crown Prince Frederik, Crown Princess Mary with their children Prince Christian, Princess Isabella and Prince Vincent cuddled up on the balcony to greet the well-wishers as they gathered together to ring in Queen Margrethe's 77th birthday and Easter Sunday.

Crown Princess Mary, who looked chic in a green stitched coat, played the doting mother as she cuddled up to Princess Isabella and Prince Vincent of Denmark

(from back L-R) Crown Princess Mary, Princess Marie, Princess Josephine, Princess Athena, Prince Joachim and Prince Henrik Carl of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

The Royal Danish family had just returned from an Easter church service at Aarhus Cathedral before celebrating the Queen's birthday privately at home from left to right Crown Prince Frederik and Crown Princess Mary with their children Prince Isabella, Prince Christian and Princess Josephine,  joined by Prince Henrik of Denmark

Crown Prince Frederik and Prince Christian looked dapper in their suits, whilst cheeky royal Princess Josephine was held by her mother Crown Princess Mary on the balcony at Marselisborg Palace in Aarhus to wave to the crowds.

Denmark's Prince Christian with his mother Crown Princess Mary and his youngest sister Princess Josephine who were all in high spirits, posed for photographs and waved to the locals who had descended on the palace to wish the Queen a happy birthday.

Crown Princess Mary, Princess Isabella and Prince Vincent of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

(L-R) The Danish Royals, Prince Consort Henrik, Crown Prince Frederik, Prince Christian, Princess Isabella, Prince Vincent, Crown Princess Mary and Queen Margrethe II, who were all in high spirits, gathered on the terrace at the back of the grand Palace.

Crown Princess Mary and Prince Vincent of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Princess Mary, who looked chic in a green stitched coat, played the doting mother as she cuddled up to Prince Vincent of Denmark

Crown Princess Mary, Princess Isabella and Prince Vincent of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

 Queen Margrethe with her son Crown Prince Frederik of Denmark attend her 77th birthday celebrations at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Princess Mary, Princess Marie, Princess Josephine, Princess Athena, Prince Joachim and Prince Henrik of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Princess Mary, Prince Christian and Princess Josephine attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Queen Margrethe with her son Crown Prince Frederik of Denmark attend her 77th birthday celebrations at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown prince Frederik, Crown Princess Mary, Prince Christian, Princess Isabella and Prince Vincent of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown prince Frederik, Crown Princess Mary, Prince Christian, Princess Isabella and Prince Vincent of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Queen Margrethe of Denmark stunned in a bright green coat Celebrates her 77th Birthday at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Henrik, Prince Consort of Denmark, and Queen Margrethe of Denmark at Queen Margrethe's 77th Birthday Celebrations, at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Queen Margrethe of Denmark Celebrates her 77th Birthday at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Princess Isabella of Denmark, and Queen Margrethe of Denmark at Queen Margrethe's 77th Birthday Celebrations, at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark

Prince Henrik of Denmark, Princess Isabella of Denmark, and Queen Margrethe of Denmark at Queen Margrethe's 77th Birthday Celebrations, at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Prince Frederik of Denmark with son's Prince Christian, and Prince Vincent of Denmark, at Queen Margrethe of Denmark's 77th Birthday Celebrations, at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Queen Margrethe of Denmark, with Prince Henrik of Denmark, and the Queens Grandchildren, Celebrate Queen Margrethe of Denmark's 77th Birthday at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Prince Frederik of Denmark with son's Prince Christian, and Prince Vincent of Denmark, at Queen Margrethe of Denmark's 77th Birthday Celebrations, at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Prince Frederik of Denmark with son's Prince Christian, and Prince Vincent of Denmark, at Queen Margrethe of Denmark's 77th Birthday Celebrations, at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

 Crown Prince Frederik, and Crown Princess Mary of Denmark with children, Prince Christian of Denmark, Princess Isabella of Denmark, and Prince Vincent of Denmark Celebrate Queen Margrethe of Denmark's 77th Birthday at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Princess Isabella of Denmark, and Queen Margrethe of Denmark at Queen Margrethe's 77th Birthday Celebrations, at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

(L-R) Princess Josephine and her cousin Princess Athena of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

(L-R) Princess Josephine and her cousin Princess Athena of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

(L-R) Princess Josephine and her cousin Princess Athena of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

 Queen Margrethe of Denmark, with husband Prince Henrik of Denmark (L), and son Crown Prince Frederik of Denmark, Celebrates her 77th Birthday at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark  

(L-R) Princess Josephine and her cousin Princess Athena of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Queen Margrethe II was understandably in high spirits as she cheered on the balcony alongside her husband, Henrik, Prince Consort of Denmark.

(L-R) Princess Josephine and her cousin Princess Athena of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Queen Margrethe II with her son Crown Prince Frederik of Denmark attend her 77th birthday celebrations at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

(L-R) Princess Josephine and her cousin Princess Athena of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

(L-R) Princess Josephine and her cousin Princess Athena of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Queen Margrethe II of Denmark, with Prince Henrik, Consort of Denmark, and Crown Prince Frederik of Denmark, Celebrates her 77th Birthday at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Prince Henrik of Denmark, with his grandson Prince Vincent of Denmark, at Queen Margrethe of Denmark's 77th Birthday Celebrations, at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Prince Joachim, and Princess Marie of Denmark, at Queen Margrethe of Denmark's 77th Birthday celebrations, at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Queen Margrethe II of Denmark, with Prince Henrik, Consort of Denmark, and Crown Prince Frederik of Denmark, Celebrates her 77th Birthday at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Queen Margrethe II with her son Crown Prince Frederik of Denmark attend her 77th birthday celebrations at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

 Crown Princess Mary of Denmark with children, Prince Christian of Denmark, Princess Isabella of Denmark, and Prince Vincent of Denmark Celebrate Queen Margrethe of Denmark's 77th Birthday at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Queen Margrethe, and Prince Henrik of Denmark, with their grandson, Prince Vincent of Denmark, at Queen Margrethe of Denmark's 77th Birthday Celebrations, at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Prince Henrik of Denmark, with his grandson Prince Vincent of Denmark, at Queen Margrethe of Denmark's 77th Birthday Celebrations, at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark

Crown Prince Frederik, Crown Princess Mary, Prince Christian, Princess Isabella and Princess Josephine of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown prince Frederik, Crown Princess Mary, Prince Christian, Princess Isabella and Prince Vincent of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

(L-R) Princess Josephine and her cousin Princess Athena of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

(L-R) Princess Marie, Princess Josephine, Princess Athena, Prince Joachim and Prince Henrik Carl of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.



 

Prince Joachim with his niece Princess Josephine (L) and his daughter Princess Athena of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Princess Mary and Prince Vincent of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Prince Frederik, Crown Princess Mary, Prince Christian, Princess Isabella and Princess Josephine of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

(L-R) Prince Joachim, Princess Marie, Princess Josephine and Princess Athena of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

(L-R) Princess Marie, Princess Josephine, Princess Athena, Prince Joachim and Prince Henrik Carl of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Princess Mary of Denmark with children, Prince Christian of Denmark, Princess Isabella of Denmark, and Prince Vincent of Denmark Celebrate Queen Margrethe of Denmark's 77th Birthday at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown prince Frederik, Crown Princess Mary, Prince Christian and Princess Isabella of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Princess Mary with children from left to right Prince Christian, Princess Isabella and Prince Vincent of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Prince Frederik with his two boys Prince Christian and Prince Vincent of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

(L-R) Princess Josephine and Princess Athena of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

(L-R) Princess Josephine and Princess Athena of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

(L-R) Princess Josephine and Princess Athena of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

(L-R) Princess Josephine and Princess Athena of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

(L-R) Princess Josephine and Princess Athena of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

(L-R) Princess Josephine and Princess Athena of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

(L-R) Princess Josephine and Princess Athena of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

(R-L) Queen Margrethe with grandchildren Princess Isabella and Prince Christian of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

(L-R)  Princess Josephine and Princess Athena of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

 Princess Josephine and Princess Athena of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

 (L-R) Prince Joachim, Princess Marie, Prince Henrik Carl, Princess Josephine and Princess Athena of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

 Princess Josephine attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

 (R-L) Princess Josephine and Princess Athena of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Prince Henrik and granddaughter Princess Josephine of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Prince Henrik and granddaughter Princess Josephine of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Prince Henrik with grandchildren Princess Isabella and Prince Vincent of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Queen Margrethe (L) and Crown Princess Mary of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Prince Frederik and Crown Princess Mary of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

(L-R) Queen Margrethe, Crown Princess Mary, Princess Athena, Princess Josephine, Princess Isabella and Prince Henrik Carl of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark

 Crown Princess Mary of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Prince Frederik, Crown Princess Mary, Prince Christian, Princess Isabella, Prince Vincent and Prince Henrik Carl of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Princess Mary and Princess Josephine of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Prince Frederik, Crown Princess Mary with their children Prince Christian, Princess Isabella, Prince Vincent and Princess Josephine of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Prince Joachim and Princess Marie of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

 Queen Margrethe, Crown Princess Mary, Princess Isabella, Princess Josephine, Prince Henrik and Princess Athena of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Princess Mary, Prince Christian and Princess Isabella of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

 Crown Princess Mary of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Queen Margrethe, Crown Prince Frederik, Crown Princess Mary, Prince Christian, Princess Isabella, Prince Vincent and Prince Henrik Carl of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Prince Joachim and his niece Princess Josephine of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Queen Margrethe with her husband Prince Henrik, Consort of Denmark attend her 77th birthday celebrations at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Prince Frederik with his sons Prince Christian and Prince Vincent of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Princess Mary with the twins Princess Isabella and Prince Vincent of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Prince Frederik with his sons Prince Christian, Prince Vincent and nephew Prince Henrik Carl of Denmark (front right) attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Prince Frederik, Crown Princess Mary and their children Prince Christian and Princess Isabella of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Princess Josephine of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Prince Frederik with his two boys Prince Christian and Prince Vincent of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

 Crown Prince Frederik, Crown Princess Mary and their youngest son Prince Vincent of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Prince Frederik, Crown Princess Mary, Prince Christian, Princess Isabella, Prince Vincent and Prince Henrik Carl of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

(L) Princess Josephine and her cousin Princess Athena of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Queen Margrethe and her husband Prince Henrik, Consort of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Prince Frederik and his son Prince Christian of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Prince Frederik with his sons Prince Christian (L) and Prince Vincent of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Queen Margrethe II and granddaughter Princess Isabella of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Princess Mary and daughter Princess Isabella of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Crown Prince Frederik, Crown Princess Mary, Prince Christian, Princess Isabella, Prince Vincent and Prince Henrik Carl of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.

Queen Margrethe II and her older son Crown Prince Frederik, Prince Joachim during her 77th birthday celebrations at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark.