Keira Knightley wearing a green dress created by costume designer Jacqueline Durran in the 2007 film 'Atonement' : r whatthefrockk Atonement dress green wedding dress Long maxi dress with open back Backless, Cecilia in Atonement, green dress Keira Knightley In search of Atonement Dress Pattern! : r sewing Keira Knightley Comes Out of Fashion 'Retirement' for Erdem Glamour Keira Knightley's emerald green dress in Atonement (2007) is one of the most iconic costumes in modern cinema. Designed by Jacqueline Durran, this silk gown became a symbol of elegance, passion, and