'Emilia Pérez' star Karla Sofía Gascón, who accepted the award on behalf of the film's ensemble cast, is the first transgender actress to win at Cannes.
The crowd got twice as much Jonas as expected at the amfAR event on Thursday (May 23).
Here are all the musicians who attended premieres at Cannes Film Festival this year.
The show is set to premiere on HBO on June 4.
"Last night in Cannes with my sweetheart," the singer wrote on social media.