The Story Behind Keira Knightley's Emerald Green Slip Dress From 'Atonement' British Vogue Atonement' 10th anniversary: The inside story on that iconic green dress The Story Behind Keira Knightley's Emerald Green Slip Dress From 'Atonement' British Vogue Outfits of Atonement: Keira Knightley wears Satin Green Dress to play Cecilia Tallis in the movie Spotern PART 1: The Green Atonement Dress , #keiraknightley #atonement #fashioninfilm #costume #costumedesign #filmandtv #fashion #jacquelinedurran Keira Knightleys Atonement (2007) dress, youll always live in our minds rent free. It was designed by Jacqueline Durran and still stand as one of the most iconic dresses in cinema history