PART 1: The Green Atonement Dress #keiraknightley #atonement #fashioninfilm #costume #costumedesign #filmandtv #fashion #jacquelinedurran 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 Keira Knightley wearing a green dress created by costume designer Jacqueline Durran in the 2007 film 'Atonement' : r whatthefrockk ISABEL MARANT Etoile Women\'s Ro Linore Dress Green Khaki Keira Knightley and James McAvoy in 'Atonement' (2007). The green dress which Keira Knightley wore in this movie has been named "the best of all time" by InStyle Magazine, exceeding some classics