Victoria Beckham pays homage to Keira Knightley's green Atonement dress at Paris Fashion Week Victoria Beckham Reimagines Keira Knightley's Iconic 'Atonement' Green Dress For Gigi Hadid When we started making the movie, we all knew it was a pivotal moment and it had to be a memorable dress. To make a dress that bold everyone has to be 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 Keira Knightley in Atonement. This dress, always, henceforth and forevermore, amen.