Hayden Panettiere, Josh Groban, Rosario Dawson, and Lance Armstrong were on Larry King Live to discuss the importance of getting your voice heard. Along with Saving the Whales, Hayden is the spokesperson for Declare Yourself, a nonprofit campaign to empower and encourage every eligible 18-year-old in America to register and vote in the presidential primaries and 2008 presidential election. Rosario Dawson, co-founder of Voto Latino, also stressed how important it is for young people to get out and vote.

Check out this clip from the show: