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These Insane Hollywood Transformations Will Have Your Jaw On The Ground

Actors must be masters of their craft in order to gain any kind of respect in Hollywood. They have to go the extra mile and show their insane commitment to their roles in order to shock audiences. Sometimes, this means that they need to rapidly gain muscle, lose weight, gain fat, lose muscle…you name it.

Their body is as much a part of the role as their acting is, so they must look the part. But sometimes, the transformations are so ridiculous, they”re almost hard to believe.

Mila Kunis

Mila Kunis

You would never think Mila Kunis would have to lose weight, but for her role in Black Swan, she dropped 20 pounds to better fit the role.

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Ryan Reynolds

Ryan Reynolds

Mr. Reynolds underwent quite a transformation for the Blade movie he was in. He got absolutely shredded while working with his personal trainer to make the role more believable.

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Chris Pratt

Chris Pratt

Funny-man Chris Pratt wasn”t exactly known for his physique before he landed the role of Star Lord. For the role, he slimmed down tremendously, all while getting quite muscular.

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Matt Damon

Matt Damon

For his role in The Informant, Matt Damon packed on a ton of weight.

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Jake Gyllenhaal

Jake Gyllenhaal

To capture the essence of the creepy character he portrayed in Nightcrawler, Jake Gyllenhaal dropped quite a lot of pounds to give his character an authentic look.

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Natalie Portman

Natalie Portman

Just like Mila Kunis, Portman also lost 20 pounds for her role in Black Swan.

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George Clooney

George Clooney

One of Hollywood”s most handsome gained weight for his role in Syriana.

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Ben Kingsley

Ben Kingsley

Almost unrecognizable, Ben Kingsley underwent a radical transformation to play to role of Ghandi in the film Ghandi.

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Christian Bale

Christian Bale

In perhaps one of the most insane transformations, Christian Bale went on a crash diet for his role in The Machinist, then he went and added a ton of weight and muscle to star in Batman Begins.

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Tom Hardy

Tom Hardy

Bale isn”t the only one who made changes for the Batman franchise. Tom Hardy packed on a ton of weight and muscle for his role as Bane.

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Demi Moore

Demi Moore

For one of her most iconic roles, Demi Moore spent a lot of time with a military trainer to make sure she looked authentic for G.I. Jane.

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Ryan Gosling

Ryan Gosling

For the film adaptation of The Lovely Bones, Ryan Gosling added 60 pounds to his body to adequately portray his character.

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Bradley Cooper

Bradley Cooper

The usually slender Bradley Cooper added some weight in order to look more like sniper Chris Kyle in the movie American Sniper.

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Hilary Swank

Hilary Swank

Hilary Swank worked out hardcore in order to get in shape for Million Dollar Baby.

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It”s hard to imagine that preparing for a role like that is healthy, given the rapid weight fluctuations many of these actors have to undergo. But hey, they probably are swimming in money because of the commitment they”ve shown.