MakeupMoments Keira Knightleys Look in Atonement Lisa Eldridge The green dress Kiera Knightley wore in Atonement is my Roman Empire., My life and the lives of countless millennial girls changed when I watched Atonement and saw THE Green Dress for the first time. Green Satin Maxi Dress, Open Back, Atonement Inspired Evening Gown Atonement Cecilia Green Long Dress Backless Maxi Dress Keira Knightley Prom Dres eBay 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 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