Dua Lipa has hit back at claims she was miming during her Glastonbury headline set.The pop star was quizzed about the accusations while enjoying some downtime at the festival with her boyfriend Callum Turner. Dua, 28, was spotted on Saturday, 29 June, exploring Glastonbury with actor Callum, 34.The couple, who began dating in January, looked loved-up as they got drinks together at one of the festival's exclusive bars. The New Rules hitmaker looked relaxed in a white vest top and black leather skirt, with her red locks worn in loose waves.