High Split Plunge Neck Maxi Dress in White Keira Knightley wearing a green dress created by costume designer Jacqueline Durran in the 2007 film 'Atonement' : r whatthefrockk Atonement dress, Keira Knightley, Green Dress UK Velvet Birdcage The green dress which Keira Knightley wore in Atonement (2007) has been named the best of all time by InStyle Magazine, exceeding some classics as Audrey Hepburn's little black dress in Breakfast 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 PART 1: The Green Atonement Dress #keiraknightley #atonement #fashioninfilm #costume #costumedesign #filmandtv #fashion #jacquelinedurran