Putting their money where their mouths are! In addition to walking the red carpet and living the glamorous life, these celebrities, including Angelina Jolie, Lauren Conrad, and Matt Damon, are working hard to make the world a better place. Read up on their charities!
In an effort to raise awareness for September's National Childhood Cancer Awareness Month in 2012, the Just Go With It actress joined Jon Hamm and Betty White to perform a cover of the Beatles' iconic 1968 single "Hey Jude." Encouraging donations to help "make it better" for kids fighting cancer, Aniston and her music video costars assisted St. Jude in finding cures to save children from around the world.