Around a dozen Cannes staffers, covertly stationed next to the red carpet, blew whistles and held red Sous Les Écrans La Dèche placards as the Cannes jury led by Juliette Binoche made their way into the opening night gala.

See all the best red carpet looks from the Cannes Film Festival, which is expected to welcome stars including Tom Cruise, Scarlett Johansson, Kristen Stewart and Robert De Niro. The jury is headed by Juliette Binoche,

Halle Berry showed her true stripes in a graphic monochrome gown from Jacquemus. The juror, who told WWD she is ready to usher in a new fashion era during the festival’s fortnight, wore a bold, floor-length trapeze gown with a pink bustle for the opening ceremony, which took place Tuesday night.