AUDIO: Twerk Remix of Rihanna Singing Britney Spears 'Work Bitch' Leaks!

Making the rounds today is the biggest new music leak in a while, a remixed version of 'Work Bitch', the new Britney Spears hit by Rihanna. Spears' hit single, "Work Bitch", officially debuted on Monday, September 16. The 31-year-old is now planning an upcoming one-woman show in Las Vegas show as well as the release of her eighth studio album to be released later this year. 'Work Bitch' is the lead single from the LP.

So is it Rihanna singing? Tell us what you think below!

The Barbados-born Grammy Award-winning singer has already earned the coveted title of international superstar. From her breakthrough multi-platinum album, "A Girl Like Me," to her ubiquitous global smash, "Umbrella," in just a few short years, Rihanna helped redefine the path of popular music for a new generation. Rihanna's music has earned her countless awards and accolades, including seven Grammy Award wins, five American Music Awards, 18 Billboard Music Awards and three MTV Video Music Awards. "Unapologetic" is Rihanna's seventh studio album and "Diamonds" marks her twelfth Hot 100 No. 1 hit.