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They will be duetting on two of Scissor Sisters' best-known tracks, including Take Your Mama, which will feature what Ellis-Bexter describes as "an epic guitar solo" by Emily Roberts, from the Brit-winning group The Last Dinner Party.

That means you get to hear everyone from Sinead O'Connor to Rita Ora, and Boy George to The Darkness duetting as if they were in the studio at the same time.

Swift then repaid the favour by duetting on Sheeran's mega-ballad Thinking Out Loud.

One of the tour's most powerful moments comes when she performs Scream, duetting with video footage of Michael, who died in 2009.

The show featured several moving live performances from elders: Tracy Chapman duetting with Luke Combs on “Fast Car,” a striking Joni Mitchell singalong and a closing stomper from Billy Joel.