Article continues below advertisementDwayne "The Rock" Johnson is making waves with his stunning weight loss for his upcoming film, The Smashing Machine.For the film, the WWE superstar transformed into legendary two-time UFC heavyweight champion Mark Kerr, requiring him to shed significant pounds."This transformation was something I was really hungry to do," Johnson, 53, told The Hollywood Reporter during the 2025 Venice Film Festival on Monday, September 1.Article continues below advertisementSource: A24/YouTubeThe actor dropped some pounds to play UFC legend Mark Kerr in the sports drama.