Brad Pitt and Angelina Jolie are two of the most volunteer-oriented people in Hollywood, which sets a positive example for their children. The brood often travels to New Orleans and observes Papa Brad working with his Make it Right nonprofit, and Angelina is a longtime UN goodwill ambassador. "Man, I got kids now. And it really changes your perspective on the world," Pitt told Ann Curry in 2006. "I've really had a very fortunate life. And it's time for me to share that a bit."
What the experts say: "Parents are role models for their kids," says Ari Brown, MD, an Austin, Texas-based pediatrician and author of the Baby 411 book series. "Your children are always watching you -- and your actions speak louder than words."