Behind the scenes of the long-standing Taylor Swift and Charli xcx 'feud'

Taylor Swift and Charli xcx are two musicians who exist at polar opposite ends of the pop music scale, generally coexisting peacefully in their respective arenas.

But on some occasions, when the tectonic plates of the pop landscape shift and Charli and Taylor are thrown together, it seems to leave them less fond of each other — or so the internet thinks.