On Rihanna's album the song is added to me not particularly noticed, especially since there is in my opinion much better songs there. However, this is the original remix enormously in the shadows. But perhaps it is only the joy that unaccustomed joy to hear Britney times as a guest of another artist; the "Femme Fatale" is the title of their seventh studio album, which has just been published, was in fact never been particularly known for cameos. Or in other words: This is their very first, ending in a nearly 13 year career. The mix: Two pop stars of the superclass meet here and there is an unexpected and highly explosive duet.
Please, please Ms. Spears, you make more visits to the studio with other artists! Then we have more often the chance to enjoy such pop gems.
A clear case of 5 stars and an absolute recommendation to all those who stand on contemporary pop music !!!