Sydney Sweeney branded 'unrecognisable' as Hollywood star debuts drastic new look for movie biopic

Recent photographs reveal Sweeney sporting a short, curly brunette wig and blue bandana, a stark departure from her signature blonde locks.

The actress sported baggy sportswear, completing her metamorphosis into the 1990s boxing champion. This striking change highlights Sweeney's commitment to authentically portraying Martin, a trailblazer who helped legitimise women's boxing and overcame significant personal challenges.

Sweeney's transformation extends beyond her physical appearance. The actress has embraced the challenge of portraying Martin's complex story, which spans both triumph and tragedy.

In preparation for the role, Sweeney has drawn on her past experience in combat sports. She told Deadline, "I grappled and did kickboxing from 12-19 years old. I've been itching to get back into the ring, train, and transform my body."

The biopic, directed by David Michôd, aims to shed light on Martin's remarkable career and personal struggles. Known as "The Coal Miner's Daughter", Martin made her boxing debut in 1989 and went on to become the first female boxer to grace the cover of Sports Illustrated in 1996.

Martin's life took a dark turn in November 2010 when her then-husband James, who was 25 years her senior, brutally attacked her. He stabbed her multiple times and shot her in the chest, leaving her for dead in their Florida home. Miraculously, Martin survived the assault.

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James was subsequently arrested and charged with attempted first-degree murder. This harrowing incident brought attention to the issue of domestic violence, even among high-profile athletes.

Despite the trauma, Martin's resilience shone through. Her story of survival and continued advocacy has made her an inspiration beyond the boxing ring.

Sweeney expressed her admiration for Martin's strength, telling Deadline, "Christy's story isn't a light one, it's physically and emotionally demanding, there's a lot of weight to carry. But I love challenging myself."

Sweeney's dedication to the role extends beyond physical training. She emphasised her passion for the project, telling Deadline, "I'm passionate about the fighting world, Christy's story shines a light on her incredible rise to the top while showing the struggles of fame behind the curtains."

The actress is no stranger to portraying real-life figures, having previously played Margret Wittmer in Eden and Reality Winter in Reality.

Martin herself has expressed enthusiasm for Sweeney's casting. Speaking to TMZ, she said: "I think [Sydney] is young, hot, talented and about to make a movie that in 20+ years, fathers will watch with their daughters to make them aware of domestic violence."

Fans have responded to Sweeney's new look for the film, with one writing on social media: "Girl, your muscles!"

"Is this real?" another asked before a third added: "This transformation truly threw me off. I'm excited to see what you do with it."

"I'm so proud of you my love. I can't wait to watch this movie, I feel like it's going to be different from anything you've ever done! I love you," another shared.

"Very proud of you Syd … I’ve enjoyed every minute - this has been a fun one," someone else commented.

"LOOK AT THOSE BICEPS YES MAAM," another fan shared. (sic)

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Martin's story highlights the struggles faced by female athletes in male-dominated fields.

Sweeney told Deadline: "I feel compelled to tell a story about a woman who faced so much adversity and didn't allow it to defeat her. It's powerful, and emotional."

The film will showcase Martin's impact on women's boxing, from her groundbreaking Sports Illustrated cover to her role in legitimising the sport.

Martin hopes the movie will educate future generations, stating: "I want this movie to bring awareness to domestic violence, the challenge of sexuality and overall underdog story."

By bringing Martin's experiences to the screen, Sweeney and the filmmakers seek to inspire audiences and shed light on important social issues.