Rihanna Spills Katy & Russell's Wedding Secrets

Oops! Rihanna slipped and spilled some wedding secrets of her BFF Katy Perry and her fiancé Russell Brand while On Air with Ryan Seacrest! But to be fair, she also spilled the dirt on her relationship with Matt Kemp!

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Rihanna chatted with Ryan Seacrest on Thursday, but chatted is an understatement — she revealed all her secrets and then some!

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Rihanna confirmed it herself, Dodger outfielder Matt Kemp is her boyfriend!

"He's my boyfriend," the singer confessed. "It's new and it's fun and it's nothing too serious. I don't want anything that's going to take up so much of my energy and time right now in a bad way. I just want to have fun and that's what it's about."

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And speaking of fun, Rihanna has the pleasure and pressure of planning her friend Katy's bachelorette party! She also confirmed the wedding will be in India where Russell popped the question!

"She put that on me last week," she told Ryan. "Now I have to come up with something cool because she's getting married in India, so I'm like 'Okay, now what do I do to match that for a bachelorette party?' "

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Hope Mr. Bridezilla won't be too upset that Rihanna shared some of their wedding secrets!