The 'Pink Pony Club' artist is also due to perform at next week's ceremony, as are The Killers and En Vogue
Maribou State, Doechii and Overmono will headline, with the likes of The Brian Jonestown Massacre, Kneecap and Denzel Curry set to make appearances
“This isn’t a sob story, this is about me learning who I am, as a person, as a woman”
Bananarama, Rebecca Black, Rachel Stevens, Eve, B*Witched, Cher Lloyd, Alison Goldfrapp and more also join the bill for the London festival
**Spoilers for 'A Thousand Little Trees of Blood' ahead**
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