Being a celebrity can be pretty sweet: the fat paychecks, the red carpet glamour and getting to have your photo on the wall at your dry cleaner's.
But some celebrities have figured out that being famous means you can help people, too. Whether it's about the plight of refugees or raising funds for firefighters, stars like Angelina Jolie, George Clooney, Oprah Winfrey, Matt Damon, Denis Leary and others are doing more than just polishing their public images. They're using fame to fuel charitable works around the world.
So check out some of Hollywood's finest in our Do-Gooder Gallery, and feel free to offer up your thoughts—or the names of other celebs and causes to mention—in the comments.