The 'Never Ever Getting Back Together' singer gave fans a glimpse of her newly shortened locks via an Instagram picture on Tuesday night (11 February).
In the snap, blonde Taylor is cosying up to fellow popstar Ellie Goulding so unfortunately it's not the best view of her latest style but we can see enough to say we like it!
In true superstar style, the award-winning singer, 24, gathered quite the audience as she took the plunge and cut her hair, posting a video to Instagram showing the dozens – and we mean dozens – of people watching her stylist at work.
Taylor can be heard quipping in the clip: "We don't do anything without an audience, do we?"
Watch Taylor's insane audience below:
Her hair cut came as she ended the London leg of her worldwide 'Red' tour. The star played a string of sold-out dates at the capital's massive O2 Arena, where she was joined on stage by various special guests including Emeli Sande, Danny O'Donoghue from The Script and Ed Sheeran.
Tweeting after Emeli's surprise appearance, she said: "Tonight @emelisande surprised our London crowd with 'Next to Me'!! SHE IS SO HEAVENLY. I've had the best time here."
Thanking fans as she prepared to jet out of London (and showing off her new hair), she tweeted: "London, I could never thank you enough. See you next time! PS: short hair, don't care. (!!!)"
Meanwhile, Taylor will be competing for a mammoth five gongs at the upcoming 49th Annual Academy of County Music Awards, which takes place in the US on 6 April.
She's been nominated for 'Female Vocalist of the Year', 'Vocal Event of the Year', 'Single Record of the Year', 'Video of the Year' and the night's biggest honour, 'Entertainer of the Year'.
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Watch Taylor's video for 'I Knew You Were Trouble' below: