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Sabrina Carpenter headlined Austin City Limits Music Fest on October 4.

She was was joined by Shania Twain for a surprise performance.

Now fans are wanting the duo to record a song together.

Austin City Limits Music Fest took over Texas's state capital this weekend, and one of the highlights was a big surprise to fans in attendance. Sabrina Carpenter headlined the show on Saturday night, and she brought out a very special guest: Shania Twain .

Shania joined Sabrina for a high-energy performance of "That Don’t Impress Me Much," Shania's 1997 hit. The two strutted across stage in cowboy boots and matching sparkly Daisy Dukes. Shania changed up the lyrics for her iconic song. Instead of "Okay, so you're Brad Pitt," she sang, "Okay, so you're from Aust

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