Below is a PSA about the importance of voting, featuring a quartet of Gossip Girl stars - Blake Lively, Penn Badgley, Chace Crawford and Ed Westwick - along with Samuel L. Jackson, Anne Hathaway, Kate Walsh, Marcia Cross, Dana Delany and others:

[youtube]http://www.youtube.com/watch?v=zi8TJ4h2Pto[/youtube]

Follow the jump for a second ad featuring Blake and Penn - this one is sponsored by MoveOn.org and leaves no doubt as to their preferred candidate:

[youtube]http://www.youtube.com/watch?v=RxvHkFLmqRk[/youtube]

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.