Justin Timberlake And Jessica Biel Rally For Obama

Justin Timberlake and Jessica Biel made a rare appearance together Saturday at a Las Vegas rally for Barack Obama.

Timberlake performed an off-the-cuff riff, singing "Vote in a Box," a spoof of his infamous raunchy Saturday Night Live sketch, a campaign source tells Usmagazine.com.

"Me and Jess, we're here as Americans. We're here as humans because this is something we had to do," Timberlake told the crowd at the Clark County Government Center amphitheater, according to the Las Vegas Review-Journal.

He added, "We've never publicly endorsed before. But we've never been so inspired by one person."

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