Daily Mail UK Who is the celebrity snitch fuelling Taylor Swift and Charli XCX's feud? Fans have been speculating which A-lister told Taylor about Brat star's 'Boring Barbie' jab... and there are a lot of suspects
It was a mere week ago that Taylor Swift sang of an 'obsessed' hater that 'called her "boring Barbie" when the coke's got them brave' - but already, fans have spiralled with theories