Atonement Green Dress Pattern Chanel green dress worn by Cecilia Tallis (Keira Knightley) as seen in Atonement Spotern irish doll dress Oh Sew Kat! In search of Atonement Dress Pattern! : r sewing Keira Knightleys green dress in Atonement , To assemble the wardrobe of the characters, director Joe Wright called on Jacqueline Durran with whom he had worked on the mythical film, Pride and Keira Knightley wearing a green dress created by costume designer Jacqueline Durran in the 2007 film 'Atonement' : r whatthefrockk