Swifties knew they were in trouble when Max Martin and Shellback walked in as producers on The Life of a Showgirl .

The Swedish musicians teamed up with Taylor Swift as the sole collaborators on her new album, out Oct. 3—but it wasn't their first time working with the superstar.

Indeed, Martin and Shellback are behind some of her most famous radio hits, including "Shake It Off," "Blank Space," "I Knew You Were Trouble" and "22."

And that's exactly why fans are expecting The Life of a Showgirl to be mind-blowing. Even Swift's fiancé Travis Kelce described the 12 new tracks as true "bangers" during her August appearance on his New Heights podcast.

"We've never actually made an album before where it's just the three of us," Swift said on the episode. "It felt like cat

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