that is the lead singer, haley williams. the adorable fan on stage?ar-old peyton moss, an 8th grader from kansas city, missouri. >> tonight, right now, for the next three minutes, this is peyton's show. >> not just stand on stage, but she's going to perform. >> peyton? you have a microphone. >> she handed it over to her. >> yes, and she takes the microphone like a superstar. this is a hit song "misery." ♪ >> she's dancing around the stage. she's head banging along with haley. >> look at that. >> arm in the air. >> she didn't hesitate. didn't miss a beat. >> they do this at every single one of the concerts, but they don't always get a performance like peyton's. do you want to meet her? >> definitely. >> of course you do. we have her via skype right this minute from kansas city, missouri. wac to the show. what did that moment feel like? >> well, it was, like, just dancing in a room with friends. it was very comfortable. >> how is that possible? there were thousands of people there. >> you don't notice them after just, like, you're in the music, getting