21 Hottest Music Stars Under 21

AOL's Hottest: Cody Simpson, Keke Palmer, Selena Gomez, Taylor Momsen, Never Shout Never, Soulja Boy, Jennette McCurdy, Greyson M. Chance, Miley Cyrus, David Archuleta, Mindless Behavior, Jordan Pruitt, Nick Jonas, Charice, Willow Smith, Justin Bieber, Demi Lovato, Miranda Cosgrove, Sean Kingston, New Boyz & Emily Osment.

Did they miss anyone?