Justin Bieber sings "Baby" at Nickelodeon Mega Music Fest

You’ve got another chance to see Justin Bieber perform along with some other fabulous musicians at Nickelodeon’s first annual Mega Music Fest. It’s an hour long prime-time concert special airing September 6th at 8 p.m. ET/PT on Nickelodeon. The concert will featuring a bunch of live musical performances mixed in with animated segments and comedic breaks. Some other artists set to hit the stage include Colbie Caillat, Wyclef Jean and The Roots. Plus, you might recognize some other performers from popular Nickelodeon shows like Dora the Explorer, Yo Gabba Gabba!, The Fresh Beat Band and more.