We've all hears the break-up songs from artists; sometimes they are about real relationships, some are not. Taylor Swift's new song "We Are Never Ever Getting Back Together" is about a real breakup, but who's the ex?

According to "Us Weekly," they say the song is about Jake Gyllenhaal.

"It's definitely about Jake."

How do they know? Well, watch the video below and you may be able to figure it out. The man in the video even looks like Jake. Part of the lyrics might give it away too. They also point to several clues.  In the song, Taylor sings about an ex who comes back to say, "Baby, I miss you and I swear I'm gonna change." It's pretty well known that Jake flew to Nashville three weeks after they broke up hoping to get back together.  Obviously, they didn't.

If you watched any of the VMA promo clips, you may have seen the one featuring Taylor and host Kevin Hart. He interrupts her song to claim that he is the guy she wrote it about, and he has proof! A photo of the two together, except it's not him. It's a picture of Taylor and Jake with Kevin's head pasted on. Check out that video here.

Taylor seems to be pretty happy in her current relationship with Connor Kennedy; she even recently flew him to Nashville on a private plane because she missed him! Aww...young love!

Does it matter who it's about? Not really. It's more of a warning. If you date a musician and break up, they may write a song about you!

Watch Taylor Swift's video for "We Are Never Ever Getting Back Together"

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