A few months ago Rihanna asked her Twitter followers who they most wanted to see her collaborate with and Britney Spears won by a landslide. Today we learn the two pop stars made fans' dreams come true with the release of their duet on a remix of Rihanna's single "S&M." Only time will tell if RiRi will return the favor in the future, but for now, our Monday just got a whole lot better.
To see our April Britney Spears cover story, click here.
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