Sydney Sweeney recently reflected on her “crazy” body transformation ahead of the release of her upcoming Christy Martin biopic. The Euphoria actress offered a glimpse into her

While playing Christy Martin in a biopic, Sweeney revealed in June 2025 that she gained over 30 pounds for the role. I loved it,” she told W Magazine at the time. I came onboard to play Christy, and I had about three and a half months of training.

Sydney Sweeney has opened up about how much she ‘loved’ training for playing boxer Christy Martin in the upcoming biopic. In an interview with W Magazine, she describes the changes her body went through – including gaining 30 pounds – as she embarked on some intense training to emulate the boxer's physique.