Rihanna Unites With a Pop Princess – 25 Career-Defining Moments

In April 2011, a remix version of the controversial and NSFW track ‘S&M’ released. Rihanna decided to team up with fellow pop princess Britney Spears for the effort. With a few lyrical tweaks, the song sounded just as feisty and dirty as the original. And if that wasn’t enough, the ladies performed this version at the 2011 Billboard Music Awards – corsets, skin and all the sexy works.