Age: 19
It’s easy to knock a Nickelodeon star. Much like Disney, the other kids’ network also has a rep for factory-producing triple-threat pop stars. But Victoria Justice, the star of Victorious, is no one to scoff at. While her first hit “Freak the Freak Out” could be dismissed as your typical pop song, it was her latest single “You’re the Reason” that showcased the beauty’s raw vocal talent.