Britney Spears Shares Unreleased Song 'Swimming in the Stars' for Her Birthday

Yesterday, Dec. 2, Britney Spears celebrated her 39th birthday and to mark the occasion, she shared a previously unreleased song called “Swimming in the Stars.”

The track, which was leftover from Spears' sessions for her 2016 album Glory, will be included on the deluxe vinyl edition of the album that's being released this Friday, Dec. 4. The deluxe version will also feature a never-before-released Backstreet Boys collaboration entitled “Matches” and a number of remixes of “Mood Ring.”

You can pre-order Glory (Deluxe Vinyl) here.

Hear "Swimming in the Stars" below.

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_{Article Image: Britney Spears performing in Amsterdam, Netherlands in 2011. (benhoudijk via DepositPhotos.)}