Britney Spears Is Working on New Music... ‘Very Slowly, But Progressively’

“Extra’s” AJ Calloway was with Britney Spears as she launched her line of lingerie, the “Intimate Britney Spears," at the New York Public Library. Britney also chatted about potentially extending her Vegas residency, working on new music, and her dream artists to collaborate with on future songs.

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