Lil’ Mouse aint done turning up. The young, 13-year-old Chicago MC appeared in an online video turning up to Chief Keef’s viral hit song “Aint Done Turnin Up.”

It appears to be official. The new bad boys of the rap game are linking up for a song.

Teenage Chicago rapper Lil’ Mouse is having quite the week after being featured on Hip-Hop superstar Lil’ Wayne’s highly anticipated “Dedication 4” mixtape. The 13-year-old rapper’s controversial single “Get Smoked” was remixed by Wayne on track eight of the mixtape.