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The wedding of Crown Prince Harald of Norway and Sonja Haraldsen at Oslo Cathedral on August 28, 1968. (Photo by Keystone/Getty Images)

The wedding of Crown Prince Harald of Norway and Sonja Haraldsen at Oslo Cathedral on August 28, 1968. (Photo by Keystone/Getty Images)

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Princess Sonja and Crown Prince Harald of Norway in 1975. (Photo by Fox Photos/Getty Images)

Princess Sonja and Crown Prince Harald of Norway in 1975. (Photo by Fox Photos/Getty Images)

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Crown Princess of Norway circa 1980. (Photo by Fox Photos/Getty Images)

Crown Princess of Norway circa 1980. (Photo by Fox Photos/Getty Images)

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Oslo, Norway -- 15 May 1984 Queen Sonja of Norway is the wife of King Harald V of Norway. Nee Sonja Haraldsen 4 July 1937. (Photo by Francis Apesteguy/Getty Images)

Oslo, Norway -- 15 May 1984 Queen Sonja of Norway is the wife of King Harald V of Norway. Nee Sonja Haraldsen 4 July 1937.   (Photo by Francis Apesteguy/Getty Images)