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King Harald of Norway kisses his wife Queen Sonja of Norway as she makes a speach at a gala dinner at the Royal Palace in Oslo, Norway, on May 9, 2017 to mark the 80th Birthday of the King and Queen. / AFP PHOTO / NTB Scanpix / Heiko JUNGE / Norway OUT (Photo credit should read HEIKO JUNGE/AFP/Getty Images)

King Harald of Norway kisses his wife Queen Sonja of Norway as she makes a speach at a gala dinner at the Royal Palace in Oslo, Norway, on May 9, 2017 to mark the 80th Birthday of the King and Queen.  

 / AFP PHOTO / NTB Scanpix / Heiko JUNGE / Norway OUT        (Photo credit should read HEIKO JUNGE/AFP/Getty Images)

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OSLO, NORWAY - MAY 17: Ê Queen Sonja of Norway and Crown Princess Mette-Marit of Norway with Prince Sverre Magnus watch the National Day Childrens Parade from the Royal Palace, on May 17, 2014 in Oslo, Norway. (Photo by Mark Cuthbert/UK Press via Getty Images)

OSLO, NORWAY - MAY 17:  Ê Queen Sonja of Norway and Crown Princess Mette-Marit of Norway with Prince Sverre Magnus watch the National Day Childrens Parade from the Royal Palace, on May 17, 2014 in Oslo, Norway.  (Photo by Mark Cuthbert/UK Press via Getty Images)

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Queen Sonja Of Norway Attends The Wedding Of Prince Joachim & Princess Alexandra Of Denmark At Frederiksborg Castle. . (Photo by Antony Jones/Julian Parker/UK Press via Getty Images)

Queen Sonja Of Norway Attends The Wedding Of Prince Joachim & Princess Alexandra Of Denmark At Frederiksborg Castle. . (Photo by Antony Jones/Julian Parker/UK Press via Getty Images)

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SKAUGUM, NORWAY - DECEMBER 23: (L-R) King Harald, Princess Martha Louise, Maud Angelica, Crown Princess Mette-Marit, Princess Ingrid Alexandra, Crown Prince Haakon, Queen Sonja, Ari Behn and in front Marius of the Norwegian Royal Family pose for their annual Christmas photo session on December 23, 2004 in Skaugum, Norway. (Photo by Terje Pedersen-POOL/Getty Images)

SKAUGUM, NORWAY - DECEMBER 23:  (L-R)  King Harald, Princess Martha Louise, Maud Angelica, Crown Princess Mette-Marit, Princess Ingrid Alexandra, Crown Prince Haakon, Queen Sonja, Ari Behn and in front Marius of the Norwegian Royal Family pose for their annual Christmas photo session on December 23, 2004 in Skaugum, Norway.  (Photo by Terje Pedersen-POOL/Getty Images)

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OSLO, NORWAY – AUGUST 30: After the ceremony, the royal couple and King Olav V salute the crowd from the balcony of the Royal Palace, on August 30, 1968 in Oslo, Norway. (Photo by Keystone-France/Gamma-Keystine via Getty Images)

OSLO, NORWAY – AUGUST 30: After the ceremony, the royal couple and King Olav V salute the crowd from the balcony of the Royal Palace, on August 30, 1968 in Oslo, Norway. (Photo by Keystone-France/Gamma-Keystine via Getty Images)