For his role in the excellent new sci-fi flick Looper, star Joseph Gordon-Levitt spent a reported three hours in the makeup chair each morning to be transformed into a younger looking Bruce Willis. It's a long, arduous process for an actor, and Gordon-Levitt isn't the only one who's dedicated himself to it for a role. The methods of this kind of identity-altering madness: prosthetic body parts, pounds of makeup, body suits. And thats just the tip of the iceberg for some roles.

In honor of Looper's release today, check out The 10 Craziest Makeup Transformations In Movies, and don't be surprised if you do a few double-takes in the process.

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