It has been reported that singer Rihanna has cheated on her boyfriend Chris Brown with comedian Dane Cook, after the couple were seen flirting with each other. It is said that Rihanna and Dane have been friends for a long time but that their friendship has gone a step further.

Dane Cook is close with Rihanna
An insider told the National Enquirer, "[They] have been pals for years, but their friendship has heated up in recent months because Rihanna wants to show Chris that she’s still a hot commodity. They flirt like crazy, and Dane regularly sends Rihanna flowers and gushy emails. Rihanna’s friends all think they’re carrying on a romance, but she’s very secretive about it. She wants to keep everyone guessing, including Chris."
However, friends of Rihanna and Dane have denied that there is any truth in the rumours, claiming that the two of them are just friends and there is nothing more to it than that.

Rihanna with Chris Brown
Chris Brown managed to win back Rihanna, after the couple had split for three years, following Chris Brown's assault on Rihanna. The couple have come in for a lot of criticism since reuniting, with many claiming that Rihanna is setting a bad example to other victims of domestic violence. However, the couple have seemed very happy together since their reconciliation and Chris certainly seems to have changed his ways.
Rihanna - We Found Love