Sydney Sweeney is sharing the 'crazy' 30-pound body transformation she had to play female boxer Christy Martin in a new biopic releasing this year.

Sydney Sweeney underwent a major body transformation after taking on the role of boxing legend Christy Martin in an upcoming biopic. The Euphoria actress, 27, revealed she gained more than 30lbs, and while she "loved" the challenge, she admitted her body looked "completely different" as a result.

Fans went wild last fall when paparazzi captured some photos of Sydney Sweeney looking very much unlike Sydney Sweeney while filming an upcoming movie. Now, the actress is giving more details about her upcoming Christy Martin biopic—and the physical work it took for her to get into