They will be the biggest UK headline shows of Charli's career so far
They join previously announced artists including Becky Hill and Chase & Status
This year marks the Icelandic festival's 25th anniversary
The awards ceremony took place in Sheffield for the first time ever
It's been previewed by a team-up with Boys Noize, 'tell me'
It comes after the singer was nominated for the Mercury Prize with her album ‘Nymph’
Including tracks by Megan Thee Stallion and Remi Wolf
The third edition of the festival will be held from March 22 - 24
The singer said she has been suffering from an "ongoing respiratory condition" and can "no longer delay surgery"
Including tracks by The Cure and Ezra Furman