Golden Wedding Anniversary of King Constantine II and Queen Anne-Marie of Greece [Getty Images]

ATHENS, GREECE - SEPTEMBER 18: Queen Margrethe II of Denmark (R) and Princess Benedikte of Denmark attend private dinner to celebrate the Golden Wedding Anniversary of King Constantine II and Queen Anne Marie of Greece Yacht Club
on September 18, 2014 in Athens, Greece. (Photo by Europa Press/Europa Press via Getty Images)

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