Who Is 'I Knew You Were Trouble' Written About? Lyrics Explained

Taylor Swift fans have some theories as to who "I Knew You Were Trouble" is written about — but which ex is the subject of one of her most popular songs? Keep reading!

lyrics at your disposal — Taylor Swift- I Knew You Were Trouble

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I Knew You Were Trouble - Lyrics

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Taylor Swift - I Knew You Were Trouble