Hayden and Jessica at the Pre-Inaugural Ball

Jessica Alba and Hayden Panettiere at The Huffington Post Pre-Inaugural Ballheld in Washington, DC on January 19, 2009.

Jessica, who has strongly backed Obama and the Declare Yourself campaign, wore a glitzy gold blazer matched with Jimmy Choo clutch and metallic heels.

And Hayden Panettiere, who also campaigned for Declare Yourself, really glammed up in a strapless Monique Lhuillier gown paired with Howard Stern jewels.

Pics from Corbis and celebrity-gossip.net