Cannes 2012: Marion Cotillard Doubles Down on Dior For 'Rust and Bone' Premiere (Video)

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It's no surprise that Oscar-winning French actress Marion Cotillard (La Vie en Rose) is wearing an elegant Christian Dior Couture ball gown at the Cannes premiere of her film entitled (en anglaise) Rust and Bone. After all, she is a highly paid Dior spokesmodel, along with other red carpet darlings and A-list actresses Charlize Theron, Natalie Portman, and Mila Kunis.

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Cotillard's strapless bodice is black but the full skirt is a dark navy, a color difference that is almost impossible to tell by looking at the photos. A black patent leather belt nips in her waist. And she wore subtle but expensive Chopard jewels, an 8k white gold watch set with diamonds on a black band.

Earlier today, Marion looked lovely with the seaside port behind her, wearing a Christian Dior Spring 2012 peach short-sleeved chiffon dress with a textured bodice and a flirty skirt. And check out those pale-lemon Versus patent leather slingbacks from the Spring 2012 collection.

In Bone, a strange and surprising love story directed by Jacques Audiard, she plays a Marineland trainer who loses both her legs in a killer whale attack. The film, which also features nude scenes, is one of the most hotly anticipated entries at the festival.

Cotillard recently starred in director John Cameron Mitchell's second Lady Dior handbag short film, a parody of LA. Watch it below.