OSLO, NORWAY - MAY 10: Queen Silvia of Sweden and King Carl Gustaf of Sweden attend a lunch on the Norwegian Royal yatch "Norge"to celebrate the 80th birthdays of King Harald of Norway and Queen Sonja of Norway on May 10, 2017 in Oslo, Norway. (Photo by Patrick van Katwijk/Getty Images)
Crown Princess Victoria of Sweden and Prince Daniel of Sweden arrive at Honnorbrygga in Oslo from where they will start for a lunch trip on The Royal Yacht on May 10, 2017 to celebrate the 80th birthday of Norway's King Harald and Queen Sonja. / AFP PHOTO / NTB Scanpix / BERIT ROALD / Norway OUT (Photo credit should read BERIT ROALD/AFP/Getty Images)
OSLO, NORWAY - MAY 10: Princess Martha Louise of Norway, Prince Carl Philip of Sweden and Princess Sofia of Sweden attend a lunch on the Royal yacht, Norge, on the occasion of the celebration of King Harald and Queen Sonja of Norway 80th birthdays, on May 10 2017 in Oslo, Norway. (Photo by Nigel Waldron/ Getty Images)OSLO, NORWAY - MAY 10: attends a lunch on the Royal yacht, Norge, on the occasion of the celebration of King Harald and Queen Sonja of Norway 80th birthdays, on May 10 2017 in Oslo, Norway. (Photo by Nigel Waldron/ Getty Images)
