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NEW YORK, NY - NOVEMBER 04: Princess Maria Olympia of Greece attends the 2015 Guggenheim International Gala Pre-Party made possible by Dior at Solomon R. Guggenheim Museum on November 4, 2015 in New York City. (Photo by Nicholas Hunt/Getty Images for Christian Dior)

NEW YORK, NY - NOVEMBER 04:  Princess Maria Olympia of Greece attends the 2015 Guggenheim International Gala Pre-Party made possible by Dior at Solomon R. Guggenheim Museum on November 4, 2015 in New York City.  (Photo by Nicholas Hunt/Getty Images for Christian Dior)