Keira Knightley's infamous emerald green dress in Atonement (2007) was carefully designed to embody the characters personality. It symbolises temptation which is a major theme throughout the film, especially during the events Plus Size Green Summer Dress Olive Green Empire Cut A line Dress Keira Knightley in Atonement. This dress, always, henceforth and forevermore, amen. 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