Rihanna celebrated her new single “Rude Boy” going #1 on Billboard by partying at Club Playhouse in Hollywood Thursday night (Mar 18), and here are a few pics of the singer making her way inside the popular Los Angeles nightclub. Check them out below…

Word on the sidewalk is RiRi will be throwing her good friend Katy Perry a wild bachelorette party.

According to a source to More magazine, “Katy’s totally excited and keeps telling Russell her party is going to be every bit as wild as any party he and his boys will throw! She and Rihanna have become very, very close. So Rihanna has offered to plan a girls’ getaway and also help out with anything else Katy needs for the wedding.”

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