Once upon a pop chart, Britney Spears was not just the princess of pop, she was the entire royal court, throne included. Since the release of her ninth studio album, 'Glory' in 2016, the music ...

Her new song, "Gimme More," is now a success on the music charts — despite the pop star's turbulent personal life and the humiliation of her much-panned performance at MTV's Video Music Awards. This ...