Julia Ducournau becomes the second woman to win the top prize, after Jane Campion in 1993. The surprise reveal came at the start of a chaotic ceremony.Julia Ducournau becomes the second woman to win the top prize, after Jane Campion in 1993. The surprise reveal came at the start of a chaotic ceremony.Read MoreCannes International Film Festival, Movies, Ducournau, Julia, Jones, Caleb Landry (1989- ), Lee, Spike, Carax, Leos