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Grace Kelly
In 1956, she played a princess onscreen in The Swan and then assumed the role in real life: The pearl-studded, long-sleeved gown she wore to marry Monaco's Prince Rainier was a parting gift from Grace Kelly's former studio, MGM. Conceived by costume designer Helen Rose—and constructed by three dozen seamstresses over six weeks—the elaborate silk faille, silk tulle, and rose point lace confection was pure Hollywood fantasy.