Mariah Carey sings before President Barack Obama at Christmas event

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

9 of 18: The first family, from left, Sasha Obama, first lady Michelle Obama, President Barack Obama, and Malia Obama, applaud during the Annual Christmas in Washington presentation, at the National Building Museum in Washington, Sunday, Dec. 12, 2010. (AP Photo / Manuel Balce Ceneta)

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