Post Malone dubs himself a Rockstar on this one with 21 Savage.

The "Congratulations" record is now 4x platinum and Post keeps the momentum going.

Stay tuned for more tunes, but in the meantime, check out this heater below:

A post shared by Posty (@postmalone) on Sep 13, 2017 at 10:20am PDT

Are you feelin this duo?