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 Green dress of Keira Knightley Wikipedia Green Satin Flowy Dress Green Satin Maxi Dress Emerald Chiara Evening Gown Atonement; the back of the green dress, even better than the front. Keira Knightley green vintage evening dress in Atonement (2008) , The directors orders for the famous green dress included three criteria: lightness, length and shade of green. With the scene set on The Story Behind Keira Knightley's Emerald Green Slip Dress From 'Atonement' Vogue