Keira Knightley turned heads in a green tulle Valentino gown last night Keira Knightley at 'The Aftermath' premiere Keira Knightleys green dress in Atonement , To assemble the wardrobe of the characters, director Joe Wright called on Jacqueline Durran with whom he had worked on the mythical film, Pride and 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 Keira Knightley Back Sunday Best: 'Atonement's' Gossamer Green Gown The Seattle Times