
Sydney Sweeney is taking her career to new heights—this time by stepping into the ring. The 27-year-old actress is set to play Christy Martin, the trailblazing boxer who made history in the sport, and her transformation is nothing short of jaw-dropping.
On October 16, Sweeney posted behind-the-scenes photos from the set, showing off a completely new look. Her dark brown hair with bangs is a striking contrast to her usual blonde style. But what really caught fans’ attention? Her incredibly toned physique, proving she’s been fully
committed to the role.
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Sydney Sweeney TRANSFORMATION into Boxer
The post came after paparazzi photos of her in character started circulating online. Addressing the leak with humor, she captioned her post:
“Well, the cat’s out of the bag thanks to some paps in bushes, so here’s a little BTS from my film I’m working on right now.”

Sweeney isn’t just changing her look—she’s undergoing a grueling training regimen to become as physically strong as Christy Martin. Boxing isn’t entirely new to her. She previously revealed that she trained in kickboxing for seven years, a skill that’s coming in handy as she prepares to bring the legendary fighter’s story to life.

“I was itching to get back in the ring, train, and transform my body,” she told Deadline.
Her training includes:
- Intensive boxing drills to refine her technique
- Strength and conditioning workouts to build endurance
- Diet adjustments to maintain peak performance

The upcoming film, directed by David Michôd, will tell the powerful story of Christy Martin—a woman who fought her way to the top in a male-dominated sport. Beyond the wins and championships, Martin’s life is a testament to perseverance and resilience.

For Sweeney, this could be a career-defining performance. With her physical transformation, intense training, and ability to bring emotional depth to every role, she’s proving she’s ready to step into the ring—both literally and figuratively.
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Sydney Sweeney’s DRAMATIC Transformation For New Boxing Biopic | E! News
Will this be the role that cements her as one of Hollywood’s most versatile stars? The buzz surrounding her transformation suggests it just might be.
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