Did Katy Perry And Rihanna Friendship Fell Out Over Chris Brown?

Pop stars Katy Perry and Rihanna were once inseparable, but these days you can hardly tell if the two knew each other.

While Rihanna and Chris Brown were spotted getting cozy front row the Grammy Awards on Sunday, her friend Katy Perry and her boyfriend John Mayer sat across the other side.

See also: Rihanna Huge Diamond Ring Sparks Engagement Rumors [PHOTO]

According to Us Weekly, Katy Perry is avoiding Rihanna and its because of her reunion with Chris Brown.

“Katy Perry, who got close with the “Stay” singer at last year’s Grammys, “doesn’t approve” of Rihanna’s decision to get back together with Brown, 23, and their friendship has suffered as a result of it,” Us Weekly sources said.

“They aren’t tight anymore because Katy doesn’t approve of Rihanna dating Chris Brown,” the source added.

The magazine claims that Katy Perry specifically requested not to sit close to Rihanna and Chris Brown.

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