Taylor Swift Throws It Back With 'Fifteen' In Rehearsal Video - Watch!

Taylor Swift is in the middle of rehearsals for her Formula 1 Grand Prix show later this month and she’s giving fans an inside look as she gets ready!

The 26-year-old entertainer took to her Instagram to share a vid where she can be seen strumming her guitar at a studio.

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Fans are agreeing the song sounds like it could be her hit “Fifteen,” so Taylor may be playing some major throwback songs during her set!

“At rehearsals @cota_official @f1 #USGP,” she captioned the video.

Check out the video below…