Taylor Swift and Sabrina Carpenter will compete on the singles chart.

Sabrina Carpenter's "Espresso" threatens Taylor Swift's UK chart reign.

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Carpenter, once a Disney star, transitioned into music after acting.

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Swift's melancholic single "Fortnight" faces competition from Carpenter's upbeat pop.

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Carpenter has released five albums since her debut in 2015.

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She opened for Swift during the latter's expansive Eras Tour.

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Swift's latest album hints at past relationships, sparking fan intrigue.

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Only 1,000 chart units separate Carpenter and Swift.

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Swift's record-breaking chart streak contrasts with Carpenter's rising prominence.

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