In what Swift called "the last opportunity that Gracie and I have to perform together on this tour"
They join previously announced headliners Linkin Park, Green Day, Sam Fender and Olivia Rodrigo
Fontaines D.C., The Script, Gracie Abrams, Inhaler, Confidence Man, Kneecap and more are also set to perform at the festival
Abrams is set to perform in countries like Singapore, Thailand, and Taiwan for the first time – see the list of tour dates and how to get tickets
Sabrina Carpenter, Linkin Park, Richard Ashcroft, Sam Fender and more are all in the running
Their collaboration, from Abrams' 'The Secrets Of Us', was nominated for a Grammy this week
Except for Mumford & Sons, who accidentally heard the "horrific" song
He'll be joined by Gracie Abrams for his biggest UK headline show to date
Remi Wolf and Mumford & Sons will also perform
Gracie Abrams, who he's been romantically linked with, has been one of Swift's support acts on the tour