A patriotic Katy Perry performs at the 2013 Kids' Inaugural Concert for First Lady Michelle Obama and her daughter Malia and Sasha. The event, also featuring Usher, Nick Cannon and 'Glee' cast members, was held at the Washington Convention Center in Washington, D.C. on Jan. 19, 2013.
Age is just a number for Kylie Jenner.
We all know Taylor Swift likes to dance. But, did you know she could break it down like THIS?