2013 Inaugural Balls: Check Out Pictures of Barack and Michelle Obama, Alicia Keys, Jamie Foxx and More!

Jennifer Hudson, FUN. and Braid Paisley all performed at the event in Washington D.C.

The party is on in Washington, D.C.!

Celebrities came out to honor President Barack Obama, who kicked off his second term as POTUS by taking the oath of office earlier today, at the 2013 Inaugural Balls—and we've got pictures of all the glamorous fun!

Performers at the events included Jennifer Hudson, who sang "Let's Stay Together" while the President and First Lady danced, Alicia Keys, who changed her hit song "Girl on Fire" to "Obama's on Fire" and Jamie Foxx, among others.