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MONACO - CIRCA 1983: Princess Caroline and Stefano Casiraghi celebrate their wedding circa 1983 in Monaco. (Photo by OLY/IMAGES/Getty Images)

MONACO - CIRCA 1983: Princess Caroline and Stefano Casiraghi celebrate their wedding circa 1983 in Monaco. (Photo by OLY/IMAGES/Getty Images)

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NEW YORK - CIRCA 1982: Stefano Casiraghi and Caroline, Princess of Hanover circa 1982 in New York. (Photo by PL Gould/Images/Getty Images)

NEW YORK - CIRCA 1982: Stefano Casiraghi and Caroline, Princess of Hanover circa 1982 in New York. (Photo by PL Gould/Images/Getty Images)

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(Original Caption) Monaco: Princess Caroline of Monaco and her husband Stefano Casirahi cutting the wedding cake following the civil ceremony at the Palace of Monaco December 29.

(Original Caption) Monaco: Princess Caroline of Monaco and her husband Stefano Casirahi cutting the wedding cake following the civil ceremony at the Palace of Monaco December 29.