Katy Perry finally said something to Rihanna about Rihanna's willingness to date/be with/have sex with/never say a bad word against Chris Brown. Apparently Katy Perry has problems with guys who beat women. Since Rihanna has no problems with guys who beat women, the two, who have been bff's for a long time now barely speak. You knew they were never really a good match for each other. Katy Perry will booze it up and makes bad choices when it comes to men (hello John Mayer), but Katy does not stay hammered for what appears to be days on end and as far as I know has never had sex with a guy who beat her to an inch of her life. I think their friendship was more of the type that you see on Real Housewives. Convenient for the season and not much more.
Source:
http://www.crazydaysandnights.net/2012/11/katy-perry-gives-up-on-rihanna-because.html