By Connie Rusk For Mailonline
Published: 21:08 BST, 20 May 2019 | Updated: 21:08 BST, 20 May 2019
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Marion Cotillard threw her support behind her boyfriend Guillame Canet as she attended the premiere of his film La Belle Epoque on Monday night.
Debuting at the Cannes Film Festival, the French actress graced the red carpet in a stunning black co-ord, which teased a hint of her toned abs.
Daring to be different, Marion opted for gothic glamour as she slipped into the shiny halterneck crop top and matching full length skirt.
Sweet: Marion Cotillard threw her support behind her boyfriend Guillame Canet as she attended the premiere of his film La Belle Epoque on Monday night
The French actress flashed a hint of her washboard stomach in the two-piece as she arrived for the screening of the film with Guillame, Gilles Lellouche and Jean Dujardin.
Elevating her outfit with black stilettos and a matching hairband, Marion amped up the drama with gold drop earrings and deftly touches of make-up, while Guillame looked dapper in a two-piece suit.
French film La Belle Epoque follows Victor, a disillusioned sexagenarian, who has his life turned upside down on the day when entrepreneur Antoine, a brilliant entrepreneur, offers him a new kind of
