Mark Wahlberg continued to show off his fine form stripping down to underwear and a tank top on the set of Pain and Gain in Miami, FL, yesterday. Marky Mark's Calvin Klein underwear ads debuted more than 20 years ago and he still looks fantastic in his boxer briefs. Mark bulked up even more than usual for his new movie, in which he costars with Dwayne "The Rock" Johnson, and fans can expect to Read more

With Rihanna taking the plunge towards an acting career in Battleship, there's no better time to recall a few pop stars that made big moves on the big screen. From Marky Mark to everyone's favorite new mommy Beyoncé, click through to see some of our favorite stars who got their big break singing and dancing on stage. Photos courtesy of Getty Read more