OSLO, NORWAY - MAY 09: King Willem-Alexander and Queen Maxima of The Netherlands, and, Princess Beatrix of The Netherlands attend an official Gala dinner at the Royal Palace, in Oslo, as part of The Celebrations of the 80th Birthdays of King Harald and Queen Sonja of Norway. on May 9, 2017 in Oslo, Norway. (Photo by Julian Parker/UK Press via Getty Images)
OSLO, NORWAY - MAY 09: King Willem-Alexander and Queen Maxima, Princess Beatrix, Prince Constantijn and Princess Mabel of The Netherlands and Princess Astrid of Norway 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)
OSLO, NORWAY - MAY 09: Queen Margrethe of Denmark and Queen Anne Marie of Greece, attend an official Gala dinner at the Royal Palace, in Oslo, as part of The Celebrations of the 80th Birthdays of King Harald and Queen Sonja of Norway. on May 9, 2017 in Oslo, Norway. (Photo by Julian Parker/UK Press via Getty Images)
OSLO, NORWAY - MAY 09: Grand Duchess Maria Teresa of Luxembourg and Crown Prince Haakon of Norway 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)
(L-R) Eliza Reid, Iceland's President Gudni Johannesson, Grand Duchess Maria Teresa of Luxembourg, Prince Albert II of Monaco, Grand Duke Henri of Luxembourg, Queen Mathilde of Belgium and King Philippe of Belgium greet wellwishers from the balcony of the Royal Palace in Oslo, Norway on May 9, 2017 to mark the 80th Birthday of the King and Queen of Norway. Photo: Jon Olav Nesvold/ NTB scanpix / AFP PHOTO / NTB Scanpix / Jon Olav Nesvold / Norway OUT (Photo credit should read JON OLAV NESVOLD/AFP/Getty Images)
