Keira Knightleys green dress in Atonement (2008) was designed to embody desire, elegance, and envy. Flowing and sultry, it enhanced the passion of the library scene while its striking shade of 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 Atonement' 10th anniversary: The inside story on that iconic green dress Keira Knightley Tulle Evening Dress London Evening Standard Theatre Awards TheCelebrityDresses The Story Behind Keira Knightley's Emerald Green Slip Dress From 'Atonement' British Vogue