The President and First Lady attend two inauguration balls at the Washington Convention Center. The special, invited celebs revealed in bright and early tweets that the partying continued at the White House! Some of the celebs invited were Katy Perry, Alicia Keys, Kelly Clarkson, Swizz Beatz, John Mayer and John Legend. The First Lady started the dancing after performance by soul singer Janelle Monae, but then really started getting it on when “Single Ladies” came on! Celebs even tweeting that Michelle is such a “cool First lady!” What a fun time! It was just a long day for the president, but from the looks of it, he just didn’t want it to end! Take an inside look and see how the First family and the celebs turn up in the gallery!