She's notorious for writing break-up anthems and sappy love songs about her exes.
And fresh from her apparent split from One Direction's Harry Styles, Taylor Swift seems to be issuing him a warning.
'Back in the studio. Uh oh...' she tweeted on Thursday.
Taylor was coming down from a spectacular turn at the People's Choice Awards on Wednesday night.
The 22-year-old country music darling won Best Country Artist at the fan-voted prizegiving.
The pair ended their short romance a few days into January following a row on the British Virgin Islands.
A source told MailOnline exclusively this week: 'Yes I can confirm they have split up.
'They were on holiday and had an almighty row. They are two young stars at the top of their game so who knows what will happen in the future.'
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什麼是 雅思？- 維基百科