The green dress that Keira Knightley wore in the award-winning film Atonement is being auctioned off for a children’s charity. The elegant gown was named the “Best Film Costume of All Time” in a survey done for Sky Movies and British InStyle magazine. To have a look at the auction and/or to bid, go check out the Clothes Off Our Back Foundation website. All proceeds go to Variety – The Children’s Charity of Southern California. Bidding now stands at US$6,000. The auction runs from February 1st to March 1st.