Other artists set to perform include Kasabian, Sigrid, Blossoms, and more.
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.
Capaldi previously performed his global breakthrough hit, 'Someone You Loved' on 'Tonight' in October 2019.
KISS, Iron Maiden and System Of A Down were due to headline Download, while the Isle Of Wight was set to host Lewis Capaldi, The Chemical Brothers and Lionel Richie.
The singer-songwriter covers ‘Setting Sun’ from The Chemical Brothers and Noel Gallagher.
Rita Ora has shared her new single, 'How To Be Lonely', which was written for her by rising Scottish singer-songwriter Lewis Capaldi.
The trailer for Capaldi’s episode is out now, ahead of the YouTube Originals series’ 24 March debut.
Other big names on the bill include Run The Jewels, Rick Astley and The Stone Roses' Ian Brown.
The new scheme provides an email support service fans can use to find out about on-site facilities before a show, while at the gigs there will be a help desk.
'Map Of The Soul: 7' has also debuted at the top of the Australian album chart this week.
Newly announced artists will join The Chemical Bros, Duran Duran, Lewis Capaldi, Lionel Richie and more for the 2020 festival.