Outfits of Atonement: Keira Knightley wears Satin Green Dress to play Cecilia Tallis in the movie Spotern Keira Knightley dress from Atonement Tammy Tour Guide Last night at #VogueWorld: Hollywood, @avametzgerr wore a custom dress by Tory Burch in hand knotted Japanese jersey. Tory interpreted the iconic green dress in Atonement, designed by Jacqueline Durran for Keira Knightley. # The Story Behind Keira Knightley's Emerald Green Slip Dress From 'Atonement' British Vogue Anyone else still thinking about Keira Knightley's backless green dress from Atonement, 13 years later? At the link in bio, our style editor examines why the backless trend became an unlikely