Oh, "Baby"! Justin Bieber will be performing at the first ever Nickelodeon Mega Music Fest!
Justin will sing "Baby" along with the Fresh Beat Band during the hour-long prime-time concert special. Other performances include Colbie Caillat with Kai-lan, The Roots with Yo Gabba Gabba!, and Wyclef Jean with Dora the Explorer.
The Nickelodeon Mega Music Fest will premiere on Labor Day, Monday, September 6, at 8 p.m. ET/PT on Nickelodeon.