The Iconic Atonement Dress: A Cinematic Masterpiece Keira Knightley's stunning green silk dress in Atonement is an absolute classic in film fashion history. Designed by Jacqueline Durran, the dress is She walked into the room, and time held its breath. Keira Knightley's emerald silk in Atonement (2007) wasn't just a costumeit was cinematic seduction. Named the best movie dress of all The green dress which Keira Knightley wore in Atonement (2007) has been named the best of all time by InStyle Magazine. Exceeding some classics as Audrey Hepburn's little black dress in Breakfast Keira Knightley Green Vintage Evening Dress in Movie Atonement Celebrity Dress TheCelebrityDresses