1: Charli XCX reveals she wrote unrecorded music for Britney Spears. Get the inside scoop on this juicy collaboration.

2: Find out why Charli XCX's music for Britney Spears never made it to the final recording.

3: Discover the behind-the-scenes story of Charli XCX's secret music for Britney Spears.

4: Uncover the hidden gems of unreleased tracks by Charli XCX for Britney Spears.

5: Learn about the creative process behind Charli XCX's songwriting for Britney Spears.

6: Explore the rumors and speculation surrounding Charli XCX's unreleased music for Britney Spears.

7: Get exclusive details on Charli XCX's songwriting sessions with Britney Spears.

8: Delve into the world of pop music collaborations with Charli XCX and Britney Spears.

9: Discover the impact of Charli XCX's unrecorded music on Britney Spears' career.

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