Britney And Rihanna Hook Up For S&M Remix [VIDEO]Britney And Rihanna Hook Up For S&M Remix [VIDEO]It’s so good being bad when you are Britney Spears and Rihanna, two of the sexiest princesses in pop music. Click here to hear RiRi's Dirty Girl Anthem S&M remixed with Britney.bigonkissbigonkiss