Keira Knightley's emerald green dress in Atonement (2007) has become one of the most iconic costumes in film history. Designed by Jacqueline Durran, the silk gown perfectly captured 1930s elegance with its Women Solid Olive Green Round Neck Bell Sleeves Crepe Straight Hem Ruffled A Line Mini Dress Berrylush MOJOGO Women's A Line Dresses Casual Crewneck Sleeveless Dress Floral Printed Tiered Maxi Dress for Beachwear Vacation Olive Green S Walmart.com A Dress of Envy Atonement I Get a Kick out of you Keira Knightley wearing a green dress created by costume designer Jacqueline Durran in the 2007 film 'Atonement' : r whatthefrockk