Charli proves that 'Brat' is forever with Saturday night headlining set. How to bring Charli xcx’ s one-woman show – a triumph of emotive pop hedonism and discomfiting intimacy – to a sprawling, city-sized Worthy Farm? It was never going to be an easy task.

Jack Saunders is live at Worthy Farm on Saturday as Glastonbury Festival gets ready to welcome multi-BRIT and Grammy Award-winning pop icon Charli xcx, who returns to headline the Other Stage.