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French fashion designer Yves Saint Laurent and his models celebrate the unveiling of his second spring collection at the House of Dior, 28th January 1960. (Photo by Express/Archive Photos/Getty Images)

French fashion designer Yves Saint Laurent and his models celebrate the unveiling of his second spring collection at the House of Dior, 28th January 1960. (Photo by Express/Archive Photos/Getty Images)

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French fashion designer Yves Saint-Laurent has a drink with his models, in which Victoire Doutreleau (2nd L), in January 1960. AFP / STF / AFP PHOTO / STAFF (Photo credit should read STAFF/AFP/Getty Images)

French fashion designer Yves Saint-Laurent has a drink with his models, in which Victoire Doutreleau (2nd L), in January 1960. AFP / STF / AFP PHOTO / STAFF        (Photo credit should read STAFF/AFP/Getty Images)