Mariah Carey sings before President Barack Obama at Christmas event

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

3 of 18: President Barack Obama, front left, assists children dressed like elves he and his family, from back left, Malia Obama, Sasha Obama, obscured, first lady Michelle Obama, and the first lady's mother Marian Robinson, attend the taping of the Annual 2010 Christmas in Washington at the National Building Museum in Washington Sunday, Dec. 12, 2010. (AP Photo / Manuel Balce Ceneta)

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