A dress so iconic the original went missing! Keira Knightley's emerald silk gown in Atonement wasn't just the green dress it was the moment. Custom dyed, cut on the bias, and Kiera Knightlys Atonement dress that everyone wanted wasnt actually a dress 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 the same designer made both of these dresses and i can't get over it. the green dress from atonement is one of those brain chemistry altering dresses. the cellophane dress (at least Victoria Beckham Reimagines Keira Knightley's Iconic 'Atonement' Green Dress For Gigi Hadid