The Insider.com

Taylor Swift may not like to discuss her relationships in interviews, but she sure loves to sing about them. In her newest track Red, breakup lyrics include: "Forgetting him was like trying to know somebody you've never met."

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Which ex could it be about? With former boyfriends including John Mayer, Jake Gyllenhaal and Joe Jonas (the three J's), your guess is as good as ours. "Losing him was blue like I’d never known," the chorus begins. "But loving him was red."

Swift, 22, hinted at the iHeartRadio concert a few weekends ago that her other new song We Are Never Ever Getting Back Together was about Gyllenhaal. Before beginning the track, she announced, "Jake, it’s your turn!"

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Who do you think Red could be about? Give us your guess, below.

Swift's album of the same name comes out Oct. 22, and she has been debuting snippets of off Red every Monday on Good Morning America until the release. She's already come out with her hit We Are Never Ever Getting Back Together, the heartfelt lullaby Ronan and Begin Again.