"Back in the studio. Uh oh..." Swift Tweeted on Thursday evening.
The Grammy nominee and her latest beau, One Direction hunk Harry Styles, broke up earlier this month after a whirlwind romance that included a New Year's Eve kiss and a trip to the Caribbean.
Swift is known for using her love life as inspiration for her music.
She admitted that her relationship with Jonas Brothers star Joe Jonas was used in her work. It's also been widely speculated that her romance with John Mayer was referenced in her tune "Dear John," and that ex-boyfriend Jake Gyllenhaal inspired numerous songs on her hit album Red.
Whether it's really about Gyllenhaal or someone else, Swift admitted on VH1 Storytellers that Red's title track is about "this relationship that I had that was, like, the worst thing ever and the best thing ever at the same time."
Styles, consider yourself warned.