Matt Damon has made some amazing physique transformations over the years with the help of trainer Jason Walsh. Here's an inside peek into how they do it.
For his title role in American Sniper, Bradley Cooper gained 37 pounds of lean mass. Here's the exact workout and supplement plan he used to do it.
Hollywood's go-to guy for sci-fi and action thrillers opens up about movie muscle, steroids, and stereotypes in this exclusive interview.