Kim Kardashian, Paris Hilton and Pamela Anderson have fallen victim to sex tape controversies -- is Rihanna next?
Star magazine says a sex tape of Rihanna and BF Chris Brown exists! Star reports Rihanna, 21, allowed Chris, 19, to record what happens behind closed doors and she's worried the tapes will ruin her reputation.
A source tells the mag, "Rihanna has no issues with her sexuality." The source continues, "She'd be mortified if her friends and family found this out!"
Rumors are also swirling about the couple taking a break. It was reported Brown was spotted getting off a plane with another woman in Virginia. Some say this could be a new girlfriend!