OSLO, NORWAY - MAY 09: King Carl Gustaf and Queen Silvia, Crown Princess Victoria and Prince Daniel of Sweden, King Willem-Alexander and Queen Maxima, Princess Beatrix and Princess Mabel of The Netherlands 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)
