Actors' most dramatic weight transformations for roles as Natalie Portman got 'bigger' for Thor - Daily Mail

Natalie Portman and Chris Hemsworth have bulked up for their roles in the Thor franchise. Portman shared how positive the experience was after she lost 20lbs for Black Swan.

Hollywood actors all have their own processes for preparing for roles and sometimes, that process includes physically transforming for a role as well as emotionally. Some actors like Christian Bale,… [+22114 chars]

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