Premise

Ellen DeGeneres hosts the 29th annual holiday gala from the National Building Museum in Washington, D.C. The slated roster of performers includes Mariah Carey, Miranda Cosgrove, Annie Lennox, Andrea Bocelli and Maxwell. Matthew Morrison ("Glee") is also featured. Attendees include the president and first lady, plus other Washington dignitaries. Recorded on Dec. 12, 2010.