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"

The actor used his acceptance speech at the Cannes Film Festival to denounce the "fascist" politics of the U.S. President. Robert de Niro doesn't understand diplomacy. Or what he understands as diplomacy is something as straightforward as speaking his mind without any nuances,