Heroes actress Hayden Panettiere is seen below on the red carpet of Declare Yourself’s “Last Call” party at the Green Door last night in Los Angeles.

Declare Yourself is a nonpartisan, nonprofit organization meant to empower and encourage every eligible 18-year-old in America to register and vote in the presidential primaries and 2008 presidential election. Sounds like a great cause to us.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.