The singer took home the inaugural award for “Rockstar” at the 2018 MTV Video Music Awards on Monday night at Radio City Music Hall in New York City.
“You go to bed and you dream about maybe winning and then whenever you get up here you don’t remember what the hell to say,” Malone, 23, said while taking the stage with 21 Savage, who guests on the song. “Thank you so much. Thank you to my family, thank you to my crew — everybody that was a part of the song. Thank you everybody for listening.”
He added, “Honestly, in a hundred million years I would never expect to do this ever, so this is sick. So thank you so much, guys, thank you so much.”
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The musician then closed the show with rockers Aerosmith, transitioning from a performance of “Rockstar” into “Dream On” with the legendary band.
Check out PEOPLE’s full MTV VMAs coverage to get the latest news on one of music’s biggest nights.
Post Malone is nominated for three awards at the VMAs including best artist and song of the summer for his song In May, the Syracuse, New York-born rapper broke the record for most simultaneous Top 20 Hot 100 songs, over both The Beatles and J. Cole.
All 18 of the songs off of Post Malone’s sophomore album beerbongs & bentleys landed on the Hot 100 charts earlier this year.
The MTV VMAs are airing live from Radio City Music Hall in New York City on Monday, Aug. 20 at 9 p.m. ET/PT.