HOLLYWOOD, CA - FEBRUARY 08: Actress Kristin Cavallari attends the premiere of Twentieth Century Fox's 'This Means War' held at Grauman's Chinese Theatre on February 8, 2012 in Hollywood, California. (Photo by Jason Merritt/Getty Images)
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?