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 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

Sydney Sweeney was dedicated to embodying pioneering female boxer Christy Martin for an upcoming biopic. The actor shared that she gained more than 30 pounds and spent months training for the role, telling W Magazine, “My body was completely different.”