Chris Pratt hopes his six-pack can save the universe in ''Guardians of the Galaxy''; we look back at others -- including Matthew McConaughey, Christian Bale, and Charlize Theron -- who reshaped their bodies to play a part
Gained for: The Five-Year Engagement
Lost for: Guardians of the Galaxy
Pratt rocked his schlubby, tubby Parks and Rec body to play a chef in the 2012 rom-com, but he had to drop the recreational booze to convincingly embody superheroism in Guardians. The star credited a beer-free diet for his cut-from-marble and Marvel-ready physique.
Image Credit: Glen Wilson; prattprattpratt/instagram.com