Rihanna Dating Ryan Phillippe "For Months"
According to Us Weekly, RiRi has "totally had sex" with the actor...
According to Amanda Seyfried.
A source told the magazine: "She thinks he's hot. They totally had sex. And it wasn't even the first time!"
They continued: "They initially hooked up when things were strained with [Rihanna's ex]Reese Witherspoon, is said to have attended the Barbadian beauty's 23rd birthday party on Sunday, where they were said to be keeping their romance out of the public eye.
An insider added to the publication: "They hung out a bit, but were discreet. It is still very casual. Clearly they're keeping it on the downlow!"
As well the gorgeous Snoop Dogg also attended the star-studded bash, where RiRi was presented with cupcakes with the letter 'R' on them and a huge selection of candy.