The ‘Killers of the Flower Moon’ costars reunited at the opening ceremony of the Cannes Film Festival, where DiCaprio revealed that De Niro helped get him his breakout big-screen role.

Robert De Niro Slams Trump In Cannes Honorary Palme D'Or Speech: "We Are Fighting Like Hell For The Democracy We Once Took For Granted"

All these attacks are unacceptable, and this isn't just an American problem. It's a global one. And like a film, we can't just all sit back and watch. We have to act now. Without violence, but with great passion and determination.