Demi, Tobey, Marc & J.Lo and more kick off the night's festivities at 10 Inaugural Balls!
Credit: Matt Rourke/AP
Updated: Wednesday Jan 21, 2009 | 12:00 PM EST
More from PEOPLE
See More News
17 of 24
Father-daughter duo Billy Ray and Miley Cyrus also did their part, performing at the kids' show – where Sasha and Malia Obama had a front-seat view
Copyright © 2014 Time Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.