Movies often come to life thanks to Hollywood stars who go to extreme lengths to fully embody their onscreen characters.

From drastic weight loss to dramatic muscle gain, when these A-listers show up looking completely unrecognizable for a role, it instantly becomes a hot topic of discussion.

Here’s a list of 20 actors who took method acting to a whole new level, and ended up paying a heavy price for their dedication.

Trigger Warning: This article discusses extreme and unhealthy eating habits that may be distressing to some readers.

Transforming for her role as Fantine was a challenging and demanding process for Anne Hathaway. The actress lost around 25 pounds for the 2012 musical Les Misérables, based on Victor Hugo’s classic novel. Hathaway followed a strict diet of dried oatmeal pas

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