Jared Leto Fasting for His Role in ‘The Dallas Buyer’s Club’ and Shows Off Thinner Figure (PHOTOS)

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The cast of The Dallas Buyer’s Club is disappearing before our eyes.

Celebuzz previously reported Matthew McConaughey’s stunning 50-pound weight loss and now his co-star, Hollywood hunk Jared Leto, is slimming down dramatically for his role as a transsexual woman in the film based on the life of Ron Woodroof, a Texas electrician who was diagnosed with AIDS in 1986 .

Photographer Terry Richardson posted pictures of the 30 Seconds from Mars frontman looking extremely gaunt on his blog and Twitter feed — and the 40-year-old even reveals to Vulture magazine he hasn’t eaten in a month!

“Your body goes through weird stages,” Leto said in the interview. “Sometimes it’s hard to hold on to water. But for me, it’s not about the most weight I can lose, it’s more to represent the character.”

According to The Hollywood Reporter, Leto will play “a flamboyant cross-dresser with HIV who helps Woodruff.” And this isn’t the first time the actor has taken extreme measures to transform his weight for his on-screen persona. In 2007, the self-professed vegan, gained 62 pounds to play the infamous murderer of John Lennon in the flick, Chapter 27 — and it came with dramatic consequences. Leto lost the weight so abruptly he was diagnosed with gout.

A barely recognizable McConaughey has sent shockwaves through Hollywood over the last few months since he’s shown the world his drastically thinner frame and revealed to HitFix right before filming began that he weighed 143 pounds, and that is where he would stay. In the interview, he revealed he has “35 percent less energy,” but that he “feels good.”

How did he lose the double-digit weight? McConaughey attributed it to cardio, but “90 percent is based on diet.” His diet has consisted of tea and a little protein.

But the actor, who’s known for his buff physique, is craving junk food. So what is the first thing he wants? A cheeseburger!

“As much as I want a cheeseburger on that day, I think it’ll be damn hard to eat it,” he confessed.

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