Princess Mabel of Orange-Nassau and Princess Beatrix of the Netherlands shelter from the rain under umbrellas as they depart from Honnorbrygga in Oslo to go on a trip onboard the Royal Yacht on May 10, 2017 as part of the 80th birthday celebrations of the King and Queen. / AFP PHOTO / NTB scanpix AND NTB Scanpix / BERIT ROALD / Norway OUT (Photo credit should read BERIT ROALD/AFP via 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)
King Philippe of Belgium and Queen Mathilde of Belgium 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. / AFP PHOTO / NTB Scanpix / BERIT ROALD / Norway OUT (Photo credit should read BERIT ROALD/AFP via Getty Images)
Crown Prince Haakon of Norway and Crown Princess Mette-Marit of Norway 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 via Getty Images)
Crown Prince Pavlos of Greece and Crown Princess Marie-Chantal of Greece 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 via Getty Images)
