US President Barack Obama and his daughter Malia (L) sing alongside Justin Bieber (R), Victoria Justice (2nd R) and Jennifer Hudson (C) during a taping of “Christmas in Washington,” at the National Building Museum in Washington, DC, December 11, 2011. The show, hosted by O’Brien, airs on television December 16. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)