Marion Cotillard: The Oscar winner's très chic red carpet style

Marion made a memorable Oscars appearance in a scaled Jean Paul Gaultier mermaid gown as she held her trophy for Best Performance by an Actress in a Leading Role, for La Vie en Rose in February, 2008. Photo: Dan MacMedan/WireImage

Très chic! Marion donned a bold red lip with this gorgeous Christian Dior cocktail dress and Chopard jewelry at the 'Charles James: Beyond Fashion' Costume Institute Gala at the Metropolitan Museum of Art in New York City. Photo: Larry Busacca/Getty Images

Striking a pose in white Dior at the Oscars in February, 2015. Photo: Jason Merritt/Getty Images

Ready for the front row! The French actress stepped out for the Dior show during Paris Fashion Week in July 2016. Photo: Jacopo Raule/GC Images

At The Immigrant premiere in a fabulous floor length Christian Dior gown, which featured a draped skirt and open back, duringCannes Film Festival in May, 2013. Photo: Vittorio Zunino Celotto/Getty Images

A 1950s-style ruched Dior ensemble with black slingbacks was the perfect formula at the Screen Actors Guild Awards held at L.A.'s Shrine Auditorium in 2013. Photo: Jeff Kravitz/FilmMagic

Balancing a cool combination of checks as she attended the European Premiere of The Dark Knight Rises in Dior Couture by Raf Simons at Odeon Leicester Square in July 2012 in London. Photo: Dave M. Benett/WireImage

Stunning in a bridal Dior gown at the Critics' Choice Movie Awards at the Hollywood Palladium in January, 2015 in Los Angeles. Photo: Alberto E. Rodriguez/Getty Images for A&E Network

The French actress went gothic at the Academy Awards in a strapless Dior Couture gown in 2009. Photo:ROBYN BECK/AFP/Getty Images

Marion opted for a silver goddess gown by Nina Ricci for the Screen Actors Guild Awards in January 2008. Photo: Jeffrey Mayer/Wireimage

The perfect little white dress at the 2014 CFDA fashion awards in New York City. Marion wore Dior Haute Couture paired with a Chopard necklace. Photo: Larry Busacca/Getty Images

A ray of sunshine in a column gown by her favorite designer, Dior, at the British Academy Film Awards in London, back in 2013. Photo: Ferdaus Shamim/WireImage

The star channeled the 1960s with her hairstyle along with a Christian Dior color-block number while attending the 'Blood Ties' premiere at Cannes in 2013. Photo: Ian Gavan/WireImage for Electrolux

Surprising with a new designer in her wardrobe Marion attended the 2015 Vanity Fair Oscar Party in head to toe Giambattista Valli. Photo: Pascal Le Segretain/Getty Images