By the looks of it Bieber is racking up his hip-hop collaboration. He’s logged hours in the studio with T.I, Rick Ross, Diddy, Wale, and T Pain and most recently Lil Wayne. 

“Me and Tunechi in the studio,” wrong the Canadian singer, who has already collaborated with Weezy on the track “Backpack.” 

The two pulled an all nighted at the Hit Factory in Miami.