Christmas Tree Lighting at the White House
Thousands turn out for the celeb-filled tree-lighting ceremony
National Christmas Tree Lighting
US First Lady Michelle Obama, daughters Sasha and Malia Obama and US President Barack Obama sing Santa Clause is Coming to Town during the 90th annual National Christmas Tree Lighting on the Ellipse of the National Mall on December 6, 2012 in Washington, DC. (Brendan Smialowski/AFP/Getty Images)
