Being a movie star is a pretty sweet gig if you can get it.
Not only are they swarmed by adoring fans and rarely told "no," they also basically get paid to work out. It's part of the job, after all—a real movie star has to look good at all times lest they face the harsh glare of the paparazzi lens with a pinch-able inch. Sometimes they even have to beef up for a particularly meaty role. As often as they are asked to drop half their body weight to play drug addicts and insomniacs (looking at you, Christian Bale), leading men are tasked with bulking up to play gods, heroes, villains and every other sort of big and brawny guy in between.
Here's a look at five of the top muscle men of the summer movie season and a glimpse into their workout routine to see how they got that way.