The "Annette" star took to the mic with Simon Helberg for a surprise rendition of the film's theme song.
The glamour returned to the red carpet on opening night.
Louis Vuitton brand ambassador Léa Seydoux stars in four films in the official selection at the festival, set…
Louis Garrel, Marion Cotillard and Adèle Exarchopoulos were amongst guests at the Révélations event…
The show set, a stunning re-creation of Gabrielle Chanel's apartment on the Rue Cambon in Paris, was…
Buzzy independent labels worn by the Oscar-winning actress in Cannes include Y/Project, Jacquemus and…
Marion Cotillard and Charlotte Gainsbourg star in the opening-night film "Ismael's Ghosts."
The French actress donned a black velvet gown embellished with crystals detailing.
"They're the kind of people that you envy," producer Steve Starkey said.
Craig McDean captured the actress at the founder's childhood home.
Peter Lindbergh photographed the actress on the banks of the Seine River in Paris
The Oscar winner said it was the first time she had turned her hand to jewelry design.