Sydney Sweeney Transforms Into Boxer Christy Martin for Biopic | THR News Video

Sydney Sweeney is revealing the physical transformation that she made for the biopic she's starring in about boxer Christy Martin.

Sweeney shared photos from the set of the film and wrote, "Well the cat's out of the bag thanks to some paps in bushes so here's a little bts from my film im working on right now.

Over the past few months, I've been immersed in training to bring to life the story of an incredible woman — a true champion who fought battles both inside and outside the ring."