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OSLO, NORWAY - MAY 10: Sophie, Countess of Wessex attends 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 Nigel Waldron/ Getty Images)

OSLO, NORWAY - MAY 10: Sophie, Countess of Wessex attends  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 Nigel Waldron/ Getty Images)

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OSLO, NORWAY - MAY 10: Crown Prince Pavlos of Greece and Crown Princess Marie-Chantal of Greece 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)

OSLO, NORWAY - MAY 10: Crown Prince Pavlos of Greece and Crown Princess Marie-Chantal of Greece 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)

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OSLO, NORWAY - MAY 10: Prince Nikolaos of Greece and Princess Tatiana of Greece 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)

OSLO, NORWAY - MAY 10: Prince Nikolaos of Greece and Princess Tatiana of Greece 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)