Justin Bieber,16, was joined on stage by Diggy Simmons,15, at Bieber’s concert in Allentown, Pa., over the weekend. The duo performed to Bieber’s song “Baby”. Click here to check out the video.
In related news, Diggy will be releasing his second mixtape, Airborne, later this year. Click here to listen to a song leak called “Super Hero” from his upcoming mixtape.