Because it's apparently her thing now, Taylor Swift alluded to her relationship with One Direction singer Harry Styles in another interview. This time she did the talking herself instead of hiring someone out to do her dirty work.

In a new piece, Swift admits, in a roundabout way, that 'I Knew You Were Trouble' is about Hazza. If she knew he was trouble, why did she date him ... twice?

When a journo asked Swift what goes through her head onstage, she explained, "You're balancing the analytical side of your brain, which is telling you where to go and how to go there, with the other side of your brain, which is saying 'Feel everything you're singing, and show it on your face. Feel everything exactly as you felt it when you wrote the song.'"

The interviewer then asked Swift what she'd do if she had to perform in front of an ex at the BRIT Awards, and Swift's response was telling: "Well, it's not hard to access that emotion when the person the song is about is standing by the side of the stage watching."

Considering Styles and John Mayer are the only exes she recently performed in front of (Mayer at the Grammys, Styles at the Brits), and Styles was the one attending without Katy Perry on his arm, it's safe to assume who she meant.

Not that Styles cares. He's only had good things to say about her post-split. In fact, it's been so boring that we're surprised they couldn't work it out.

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