Keira Knightley stuns in a backless gown as she and joins glam Hannah Waddingham on set of Netflix's The Woman in Cabin 10 at Spencer Mathews' family estate in Scotland Daily The story behind Keira Knightley's emerald green slip dress from 'Atonement' Vogue Australia She walked into the room, and time held its breath. Keira Knightley's emerald silk in Atonement (2007) wasn't just a costumeit was cinematic seduction. Named the best movie dress of all 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 Les looks de Keira Knightley : du style Britney Spears au romantisme rtro Premiere.fr All of Keira Knightley's outfits in Atonement (2007)