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.

"Every once in a while, even the most private giants deserves their moment, a moment to be acknowledged," Leonardo DiCaprio said of Robert De NiroLeonardo DiCaprio presented his costar and friend Robert De Niro with an honorary Palme d'Or at the 2025 Cannes Film Festival's opening ceremonyDiCaprio asserted that De Niro "changed my life forever" when he cast a teenaged DiCaprio in 1993's This Boy's Life,

Leonardo DiCaprio was met with rapturous applause when he stepped on stage at the opening ceremony of the Cannes Film Festival on Tuesday May 13, where he found himself close to tears as he gave a moving speech for a close friend and mentor.