Hayden Panettiere began her acting career as just a young tot starring in multiple commericials for everything from Playskool to McDonald's. She was already appearing on soap operas by the age of four and landed her first big gig alongside Denzel Washington in Remember the Titans in 2000. The young starlet also worked with Kate Hudson in Raising Helen before getting cast as the indestructible cheerleader in the NBC sci-fi series Heroes. Since then, Hayden has been known to fight for a good cause. In addition to acting, she is a proud animal rights activist and has spoken out against whale hunting in Washington D.C.