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WATCH: #VMAS 2018- #PostMalone & #Aerosmith perform a ‘Rockstar’ medley and ‘Dream On’ MASH-UP![vid]
In an EPIC collaboration, Post Malone sang his ‘Song of the Year’ ‘Rockstar’ with 21 Savage before being joined onstage with the LEGENDARY Aerosmith to perform a ‘Drea…