britney spears S&M remixRihanna isn't the only one excited by chains and whips -- Britney Spears wants everyone to know she likes it too.

You're not alone if you didn't exactly expect Britney to jump onto such a kinky, controversial track, but forget it, because just like that, these two pop queens claimed the title of Sexiest Duet You'll Hear All Week.

Hear Britney Spears and Rihanna's 'S&M' remix here:

If the YouTube clip gets pulled, catch the remix on PopEater's Tumblr >>