At the 2025 Toronto International Film Festival, Sydney Sweeney revealed the extent of her physical transformation for the upcoming film “Christy,” based on the life of famed boxer Christy Martin. She explained how she gained 30 pounds to bring authenticity to the role, a feat accomplished through a carb-heavy diet and intense training. Director David Michôd confirmed that Sweeney consumed large quantities of Chick-fil-A and milkshakes to support her weight gain for the character.
The Rigorous Regimen Behind Sweeney’s Weight Change
Sydney Sweeney detailed her preparation during a Q&A session following the film’s premiere at TIFF. She described training three times daily for two to three months, combining physical workouts with a high-calorie diet to embody Christy Martin fully. Sweeney’s diet included
“a lot of Smucker’s, a lot of milkshakes, a lot of protein shakes,”
which complemented her vigorous training routine. This approach helped her not only gain weight but also develop the strength and stamina required to portray the iconic boxer convincingly.
Emotional Connection and Impact of the Role
The actress expressed deep emotion while discussing the role, calling it an “honor” to portray Christy Martin on screen. The film received a standing ovation at its special TIFF screening, and Sweeney became visibly moved by the response. She shared heartfelt admiration for the real Christy Martin, saying,
“Christy, you are absolutely incredible, and I’m so honored.”
This project marked a significant milestone for Sweeney, highlighting her passion and commitment to telling Martin’s story.
Looking Ahead to the Film’s Release
“Christy,” starring Sydney Sweeney, is scheduled for release on November 7. The film is anticipated to draw attention to Christy Martin’s groundbreaking career in boxing and Sweeney’s impressive physical and emotional transformation for the role. Fans and critics alike are eager to see how these preparations translate on screen, showcasing Martin’s strength and resilience through Sweeney’s performance.
