Sydney Sweeney’s incredible body transformation to play boxing legend Christy Martin blew everyone away, including herself.
Over the last couple of years, Sweeney has emerged as one of Hollywood’s biggest stars, appearing in the critically acclaimed HBO series Euphoria and producing box office hits like Anyone But You and Immaculate. But when Sweeney signed on to play Martin, a former WBC super welterweight titleholder, it was unlike any experience she’d had while preparing for a role.

“I loved it,” Sweeney told W magazine.