Keira Knightleys emerald green dress in Atonement (2007) has become one of the most iconic costumes in film history. Designed by Jacqueline Durran, the silk gown perfectly captured 1930s elegance Keira Knightley's emerald green dress in Atonement (2007) is one of the most iconic costumes in modern cinema. Designed by Jacqueline Durran, this silk gown became a symbol of elegance, passion, and Keira Knightley Green Dress Etsy New Zealand 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 MakeupMoments Keira Knightleys Look in Atonement Lisa Eldridge Atonement keira knightley green dress hi res stock photography and images Alamy