Nicole Kidman in white brocadePhotograph: Michel Dufour/Getty ImagesElodie Bouchez wears a black halterneck full-length gownPhotograph: Sebastien Nogier/EPAAbdellatif Kechiche, director of Blue is the Warmest Colour, stands between co-stars Adele Exarchopoulos and Lea SeydouxPhotograph: Francois Mori/APHeidi Klum added silver dots to her white dressPhotograph: Stuart C. Wilson/Getty ImagesMarisa Berenson, Audrey Marnay, Arielle Dombasle and Farida Khelfa at the Nebraska premierePhotograph: Stuart C. Wilson/Getty ImagesElsa Zylberstein wears a full-length white lace evening gownPhotograph: Michel Dufour/Getty ImagesJean-Sebastien Courchesne, right, and Sophie Desmarais, leftPhotograph: Anne-christine Poujoulat/AFP/Getty ImagesLaura Dern pays homage to the 1920sPhotograph: Michel Dufour/Getty Images