Harry Styles is so hot right now!
Oh, and did we mention that they played for over 20 minutes?!
Ch-ch-check it out (below) to relive the midnight memories!
The TV gods gave the teenager this shot, and she sang the shizzz out of Decode and Ain't It Fun, with Hayley Williams in tow!.
Although she didn't win the singing competition, this opportunity had to be phenom!
Ch-ch-check out the AH-Mazing rocking' performance (above!)