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She's really building this up!

Taylor Swift shared another video of a slithering snake on Instagram this morning, hinting at the release of her new single, and we seriously can't wait to hear it. Apparently, T-Swizz's new album is like nothing she's ever done before, and that's on purpose.

"The single is very different. It goes from very soft, to hard, to soft again. Taylor is overhauling her image," a source dished to Us Weekly.

"It's a little unusual. She plays around with new sounds each album cycle, but this one in particular stands out," the source added.

We wouldn't be the least bit surprised if the tune was written about her feud with Kanye and Kim over that whole "Famous" lyrics debacle. Or it could be a revenge ballad aimed at Katy Perry! KP wouldn't shut up about their bad blood while promoting her album Prism, but Tay Tay took the high road and stayed silent... maybe until now!