Most of the time being a Hollywood actor is all about the glitz and the glamour, but occasionally actors have to go that extra mile to transform themselves for a role. Take a look at some of the most dramatic actor transformations ever seen on film.
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Miramax Films
But the actress went from a size 6 to 14, adding 30 pounds to her frame, not once, but three times for the "Bridget Jones's Diary" movies. Zellweger gorged on doughnuts and pizza for the first film, but worked with a nutritionist for the two sequels to gain weight with a controlled high-calorie diet.