Last night, Mack Maine hit up the studio with Birdman, Justin Bieber, and Austin Mahone.
There is word just yet on if they were all working on music together, or if it was just the youngins Bieber and Mahone.
“Studio flow with tha yung future of music get ready YMCMB @justinbieber @austinmahone @mackmaineymcmb @birdman5star” – Birdman
“New music #YMCMB” – Justin Bieber
“What an amazing song last night..The world isn’t ready! @justinbieber” – Austin Mahone
“Young kings in the building… @austinmahone and @justinbieber #AYC” – Mack Maine
Hit the jump to check out another photo from their studio session!