COPENHAGEN, DENMARK - APRIL 16:  Crown Princess Mary of Denmark, Frederik, Crown Prince of Denmark, Queen Margrethe II of Denmark, Henrik, Prince Consort of Denmark, Prince Joachim of Denmark and Princess Marie of Denmark attend the celebrations of her Majesty's 76th birthday at Amalienborg Royal Palace on April 16, 2016 in Copenhagen, Denmark.  (Photo by Luca Teuchmann/Luca Teuchmann / WireImage)