On Wednesday, Britney Spears turned 39.<br />To celebrate she debuted a previously unreleased song "Swimming in the Stars."<br />CNN reports the song was originally recorded for her 2016 album, "Glory" but not included.<br />Spears teased the release of the song last month and it's the first new music from the singer in quite some time.<br />Last year Spears announced she was taking an indefinite work hiatus.<br />She is currently embroiled in a legal battle with her father over her 12-year-conservatorship.
