Video: Diggy Simmons Raps with Justin Bieber

After bringing out Drake during his Indianapolis show last month, Justin Bieber was joined by another one of hip-hop’s young stars, Diggy Simmons. Rev Run’s son performed his remix to “Baby” with the teen phenom at a concert in Allentown, Pa., over the weekend. “Who wants to be my baby?” Biebs asked. And you already know what kind of response he got.