Neither of them can stand each other and when they had a chance to meet this past week, they blew it off.

This A+ list singer used to be best friends with this other A+ list singer.

Back in the day if they had been in the same place at the same time they would have got together.

Not now.

Neither of them can stand each other and when they had a chance to meet this past week, they blew it off.

It all revolves around drugs, a guy both of them hooked up with and a woman/girlfriend one of the A+ listers treated poorly after a sexual encounter.

Katy Perry & Rihanna
Guy: John Mayer
Woman/girlfriend: Melissa Forde (Rihanna’s best friend)

Source: http://www.crazydaysandnights.net