Charli XCX’s tiny, must-see set proved that Glastonbury misjudged our big pop girls

Nothing shimmered at Glastonbury on Friday so much as Charli XCX’s sweaty bacchanal on one of its smallest stages. Adam White argues that Glastonbury has overlooked the ‘Brat’ artist, along with pop ladies-in-waiting like Chappell Roan and Sabrina Carpenter, to its own detriment