Atonement: Keira Knightley's Green Dress Clothes on film Keira Knightley's unforgettable green dress in Atonement was custom designed by costume designer Jacqueline Durran, created specifically for the film rather than by a fashion house. Inspired by 1930s bias cut evening gowns, the Keira Knightleys green dress in Atonement (2008) was designed to embody desire, elegance, and envy. Flowing and sultry, it enhanced the passion of the library scene while its striking shade of a perfect green dress moment Kiera Knightley's green dress in Atonement (2008) is now known to be one of the best green dresses in cinema and a symbol of the love story. Its length was critical and