Mariah Carey sings before President Barack Obama at Christmas event

Slideshow posted in Entertainment News | Monday, December 13, 2010

18 of 18: President Barack Obama with his family, from left, Sasha Obama, first lady Michelle Obama, obscured and Malia Obama, greet performers and Andrea Bocelli, right, during the Annual Christmas in Washington presentation at the National Building Museum in Washington, Sunday, Dec. 12, 2010. (AP Photo/ Manuel Balce Ceneta)

Get more: Mariah Carey