Brad Pitt Pictures on His 48th Birthday

Brad Pitt and Angelina Jolie are engaged! Before he was one half of Hollywood's most glamorous power couple, Brad got his start acting more than 20 years ago. It was his famous shirtless moment in Thelma & Louise that skyrocketed him from just another pretty face to an international heartthrob. His Midwestern drawl and ever-changing hair made ladies swoon from A River Runs Through It to Legends of the Fall. Now Brad's a happy dad of six and is soon to be a committed partner to Angelina Jolie. To celebrate Brad and Angelina's big day, we're taking a look back at some of our favorite photos of Mr. Pitt. Click through to see them all now!