Taylor Swift has revealed details of a feud with an unnamed female popstar.
The 24-year-old explained that new song 'Bad Blood', taken from her forthcoming album 1989, portrays a conflict with a well-known music artist, describing herself and the individual in question as "straight-up enemies".
"For years, I was never sure if we were friends or not," Swift told Rolling Stone.
"She would come up to me at awards shows and say something and walk away, and I would think, 'Are we friends, or did she just give me the harshest insult of my life?'"
Swift went on to say how their relationship then took a turn for the worse, claiming: "She did something so horrible. I was like, 'Oh, we're just straight-up enemies'. And it wasn't even about a guy! It had to do with business.
"She basically tried to sabotage an entire arena tour. She tried to hire a bunch of people out from under me. And I'm surprisingly non-confrontational - you would not believe how much I hate conflict. So now I have to avoid her. It's awkward, and I don't like it.
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"I know people will make it this big girl-fight thing. But I just want people to know it's not about a guy."
The 'Shake It Off' star went on to discuss how her songwriting can often be a cathartic experience, noting: "Sometimes the lines in a song are lines you wish you could text-message somebody in real life.
"I would just be constantly writing all these zingers, like, 'Burn. That would really get her.' And I know people are going to obsess over who it's about, because they think they have all my relationships mapped out."
Swift also revealed in the interview that she has not properly dated a guy since she broke up with One Direction's Harry Styles.
1989 is released on October 27.
Watch the video for 'Shake It Off' below:
