Well, this is unexpected!!!!
A sexy new video just surfaced of RiRi shakin' her bright-shning lady diamonds, and you'll never believe who she's dancing to!!!!
Hint: It sure as fudge ain't Chris Brown!
Ch-ch-check out her super-intimate video for yourself (above)!
Wow!! Dirty dancing to the Rude Boy who allegedly gashed open her ex-boyfriend's chin during a nightclub brawl???
RiRi is hardcore!!! We love it, LOLz!!!