OSLO, NORWAY - MAY 09: Crown Prince Frederik, Crown Princess Mary and Queen Margrethe of Denmark, Prince Nikolaos and Princess Tatiana, Queen Annemarie, Crown Prince Pavlos and Crown Princess Marie Chantal of Greece attend the official Gala dinner at the Royal Palace on May 9, 2017 in Oslo, Norway. King Harald and Queen Sonja of Norway are celebrating their 80th birthdays. (Photo by Patrick van Katwijk/Getty Images)
