Taylor Swift Makes Surprise Appearance at Haim's London Concert to Perform 'Gasoline'

The fans at Haim‘s concert in London got an amazing surprise – Taylor Swift!

The 32-year-old singer made a surprise appearance during the Haim show at the O2 Arena on Thursday night (July 21) in London, England.

Taylor joined her BFFs on stage to perform the remix of “Gasoline.” The song is featured on the expanded version of Haim‘s album Women in Music Pt. III.

They also collaborated on the song “No Body, No Crime” for Taylor‘s album Evermore.

Click inside to see a video that Taylor Swift shared to her TikTok page…

Taylor took to her TikTok page to share a video of her getting dressed in an outfit that matched Haim‘s tour look.

“Hitting copypaste on your friends’ looks like,” she captioned the video, which used the “Copycat” song from Children’s Song Factory. Watch below!

Taylor is starring in a highly-anticipated new movie and the trailer was recently released.