• BUST A MOVE photo | Michelle Obama, Miranda Cosgrove

Credit: Olivier Douliery/Abaca

Published: Monday January 16, 2012 17:00 PM EST



Michelle Obama gets loose in a dance-off with iCarly's Miranda Cosgrove at a special screening of the Nickelodeon show for military families Friday in Alexandria, Va. The First Lady expressed her excitement about the event on her new Twitter account.

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