Grace Kelly at The Battle of Flowers, Cannes Film Festival, early May 1955 She wore a black and white cocktail dress with a large bow designed by Oleg Cassini. Photos: Edward Quinn Rear Window Dress Grace Kelly Black Dress Inspired Prom Dress Hoprom Grace Kelly as Lisa Carol Fremont in Alfred Hitchcock's "Rear Window" 1954, she's wearing a fitted black bodice with an off the shoulder, deep V cut neckline and with cap sleeves, and The Story Behind Grace Kelly's 1956 Oscars Dress That Inspired Jessie Buckley's Winning Look British Vogue