The pop star first shared the line with unsuspecting fans during her NYU commencement speech.
"I'm not gonna pretend it didn't hurt not doing it," he lamented.
The Oct. 28 gig will be broadcast worldwide in movie theaters.
It will be the first time in two decades Mitchell's fans can buy a ticket to see her live.
Swift is set to return with her first UK shows in five years
The track was released in partnership with Pokémon The post
"I was within a fucking gnat's pube of doing one," he said The post
"It's about being passionately in love," the singer said
Special ads have been spotted in London, New York, Nashville and other locations The post
