Mariah Carey sings before President Barack Obama at Christmas event

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

12 of 18: The first family, from left, Malia Obama, Sasha Obama, President Barack Obama, first lady Michelle Obama, and the first lady's mother Marian Robinson pose children dressed like elves at the National Building Museum in Washington, Sunday, Dec. 12, 2010. The first family was attending the taping of the 2010 Christmas in Washington. (AP Photo / Manuel Balce Ceneta)

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