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8 Celebrities Who Changed Dramatically for a Movie

Christian Bale

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2. Christian Bale

Christian Bale has always been a super committed actor who really gets into any part he plays, but his 60 lbs. of weight loss for The Machinist was haunting. He reportedly lived off of coffee and tuna while getting down to the 120 lbs. he aimed for to play the part of Trevor Reznik. Apparently the target weight in the script was based on the writer’s 5’6” height, but Christian, who is over 6 feet, took it as a personal challenge.