Sydney Sweeney is stepping into the ring—literally and emotionally—as she transforms into boxing legend Christy Martin for an upcoming film. In a rare, lengthy Instagram post, Sydney opened up about what she calls 'one of the most emotional, transformative experiences' of her life. Sydney revealed that having Christy Martin herself on set made the experience surreal. She shared, 'There were moments on set where I’d glance over at her cheering us on, and I’d just become so emotional. Knowing what she’s endured and pushed through—it made me want to cry. Sweeney says this story is about more than boxing—it’s a testament to resilience, survival, and strength. She’s carrying the experience with her forever and can’t wait to share it with fans. With Sweeney’s passion and Martin’s powerful journey, this film is shaping up to be a knockout both in the ring and on the big screen.