Keira Knightley's Stunning Green Dress in Atonement TikTok The aesthetics of Atonement The green dress which Keira Knightley wore in this movie has been named the best of all time by InStyle Magazine, exceeding some classics as Audrey Hepburn's Keira Knightley Green Vintage Evening Dress in Movie Atonement Keira Knightley's unforgettable green dress in Atonement was custom designed by costume designer Jacqueline Durran, created specifically for the film rather than by a fashion house. Inspired by 1930s bias cut evening gowns, the Like the Atonement Dress. in Style of Keira Knightly Green Dress. 1920's 1930's Style Evening Dress. Prom, Evening, Wedding Dress. UK Etsy