Justin Bieber, Rebecca Black, Charice: 10 YouTube Music Stars (VIDEO)

YouTube Breakouts
Celebrities who got their first start on YouTube.
All the world’s a stage — especially when it comes to YouTube.

Justin Bieber catapulted to superstardom after hip-hop artist Usher stumbled upon his homemade musical performance on the video sharing site. Likewise, “Friday” songstress Rebecca Black instantly became an internet meme for her song.

Who else found fame on YouTube?

From Glee actress Charice to singer Greyson Chance, who Ellen DeGeneres specially launched a new record label for, watch the video above for the hottest YouTube music stars.