2.6K 
On June 9, 2025, Sydney Sweeney made a standout appearance on BBC The One Show. During her segment, she discussed her intense physical transformation for portraying boxer Christy Martin in an upcoming biopic. Sweeney revealed that she gained between 30 and 35 pounds, a process that involved multiple daily sessions of boxing and weight training, along with the help of a nutritionist. This transformation was crucial for her to authentically perform every boxing sequence herself, a detail that underscored her commitment to the role.