WHAT SHE WORE Marion Cotillard worked all angles of her peek-a-boo Christian Dior gown at the AFI Fest screening of Rust and Bone. She finished the look with the label's strappy sandals and Chopard jewels.

WHY WE LOVE IT After a chic run of retro dresses, the actress made a modern turn in a dramatic black and white design.
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Marion Cotillard

Marion Cotillard wowed in her black and white gown