You'll feel like Cecilia Tallis in Atonement wearing this long silky green dress, but in a good way Make it yours, it's available at https: go.mango shopnow Dress: 37024775 #MangoWoman The Story Behind Keira Knightley's Emerald Green Slip Dress From 'Atonement' British Vogue Atonement Green Dress Scene Cecilia DEN CECILIA DRESS ALICE BLUE The Iconic Issue You'll feel like Cecilia Tallis in Atonement wearing this long silky green dress, but in a good way Make it yours, it's available at https: go.mango shopnow Dress: 37024775 #MangoWoman Cecilia's green dress, worn by actress Keira Knightley, from the movie ATONEMENT has become the defining costume in the 2007 adaptation of Ian McEwan's wonderful book. Costume designer Jacqueline Durran is the