The album has spent its entire 68-week chart run inside the Top 10.
The festivals, taking place August 27-29, will return with two main stages and six headliners.
The playlist, which compiles the most-streamed songs of the season, also includes tracks from The Weeknd, Drake, and Lewis Capaldi.
The song arrives as the young Scottish singer-songwriter has been nominated for a VMA for PUSH Best New Artist.
Billie Eilish, The Weeknd, and Taylor Swift are also up for multiple moon man statues.
The BRIT Award-winning artist lends her soulful voice to the timeless classic.
Next year's festival will run from July 22-25, 2021 at the event’s usual Suffolk location of Henham Park.
The singer-songwriter created an epic homemade workout video for the remix of his chart-topping single.
The campaign comes as the live industry faces a continuing lack of financial support or guidance during its extended closure.
Each show will also feature a support slot from an emerging artist, a move designed to help acts who may have missed out on a summer of festivals due to the coronavirus...
Lewis Capaldi, Billie Eilish and Celeste were among the winning artists at this year’s ceremony.
Snow Patrol and Duran Duran, also previously scheduled as 2020 headliners, will again feature on next year’s bill.
The record has spawned five Top 10 singles, including two chart-toppers and is yet to exit the Top 10 after 52 weeks on sale.
The new EP arrives in celebration of the first anniversary of the young singer's smash hit debut, 'Divinely Uninspired To A Hellish Extent.'
The four-hour event will also feature celebrity DJ mixes from Joe Jonas, Diplo, Marshmello, will.i.am, Martin Garrix, Dillon Francis and more.