(L-R) Conan O'Brien, Michelle Obama, Sasha Obama, Malia Obama and President Barack Obama sing onstage during Christmas in Washington 2011 at the National Building Museum on December 11, 2011 in Washington, DC. 21980_004_0416.JPG
(L-R) Conan O'Brien, Michelle Obama, Sasha Obama, Malia Obama and President Barack Obama sing onstage during Christmas in Washington 2011 at the National Building Museum on December 11, 2011 in Washington, DC. 21980_004_0416.JPG