Singer Chappell Roan and rapper Travis Scott will headline Reading and Leeds festival next year.
Metal band Bring Me The Horizon and singer-songwriter Hozier will also top the bill at both events over the August bank holiday weekend.
Pink Pony Club singer Chappell Roan has exploded in popularity this year off the back of singles Hot to Go! and Pink Pony Club, a sell-out UK tour and her debut album The Rise and Fall of a Midwest Princess
Melvin Benn, boss of organiser Festival Republic, said she was "an inspiring new pop star poised to define a generation".