Atonement' 10th anniversary: The inside story on that iconic green dress A dress so iconic the original went missing! , Keira Knightleys emerald silk gown in Atonement wasnt just the green dress it was the moment. Custom dyed, cut on the bias, and so delicate it tore The Story Behind Keira Knightley's Emerald Green Slip Dress From 'Atonement' Vogue 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