Chris Pratt and his six-pack try to 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 weight for: Magic Mike
Lost weight for: The Dallas Buyer's Club
Playing on his reputation for shirtlessness, McConaughey played Dallas, the owner of a male dance revue in Steven Soderbergh's 2012 stripper flick (pictured, left). But paparazzi shots from the set of another DallasDallas Buyers Club, for which McConaughey dropped 47 pounds to play a renegade AIDS survivorcreated major buzz. In March 2014, McConaughey publicly gained 8.5 pounds in the form of a Best Actor Oscar statuette.
Image Credit: Glen Wilson; Gary Miller/Anne Marie Fox