Fans attendingHaim’s performance at London’s O2 Arena on Thursday were treated to a very special surprise.
And it looks like there’s about 20,000 other people that also thought that," Swiftsaid.
“Would you be up for it?
Taylor Swift; Haim.Dimitrios Kambouris/Getty Images; Jeff Kravitz/FilmMagic
Would you sing with us?”
Swift then launched into “Love Story” before the group joined in with “Gasoline.”
To watch their latest collab, hit the video above.
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