They previously teamed up back in 2018 for 'One Kiss'.
It takes a special kind of popstar to open a sold-out show at London's O2 with two of their biggest hits.
There's also IDLES, Dominic Fike, King Princess, Wallows, 100 gecs and loads more.
It's the first taster of Megan's new album.
The track will arrive on Friday, 11th March
There's no title, but it's coming this week.
Artikal Sound System have filed a copyright infringement lawsuit, claiming 'Levitating' lifts from their 2017 track 'Live Your Life', according to reports.
"There are some scam emails… I have been made aware of asking certain songwriters for some of my old songs."
Foo Fighters, Yeah Yeah Yeahs, Charli XCX, Mitski and more are also on the line-up.
They took the prize ahead of Griff, Joy Crookes and more.