Hustler Claims to Have a Sex Tape of Rihanna: Biggest Sex Tape Scandal?

SOS! Rihanna may have a sex tape on the loose.

Adult company Hustler says it has a sex tape of the singer, which reportedly involves J. Cole, the rapper who opened for her on her 2011 "Loud" tour.

SODAHEAD SLIDESHOW: See the celebrities with the biggest sex tape scandals. 

"We have not made any decisions about what we are going to do with it yet," Hustler told E! News.

But according to Ri-Ri, there is no sex tape.

"We don't believe U, U need more people...AND ofcourse an actual sextape! #slownewsday," she tweeted. 

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A source close to Rihanna tells E! News the story is "not true." But even if it IS true, it's not like we haven't seen almost all of the Barbadian beauty before. And the "S & M" singer isn't exactly shy about her sexuality.

From Rihanna to Paris Hilton to Kim Kardashian, let us know: Which celeb had the biggest sex tape scandal?