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8 Celebrities Who Changed Dramatically for a Movie

Charlize Theron Monster

Photo Credit: Getty Images

It’s difficult to clinch a role in Hollywood when you aren’t really what the producers had pictured, but somehow, stars are still able to pull it off. Whether putting on a few pounds or doing a complete image overhaul, these celebrities put everything they had into changing it all up for their next big role. Here are nine of those celebs and what they did to really become the part they were playing.

1. Charlize Theron

This South African beauty went all-in when it came to her role in the 2003 flick Monster where she portrays serial killer Aileen Wuornos. Completely dedicated to the part, the starlet gained 30 lbs. and wore heavy makeup and fake teeth in order to get the right look. Her performance as the murderer was incredible, and it won her the Oscar for Best Actress – so it was worth it!