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Watch a LIVE STREAM of Katy Perry's iHeartRadio Album Release Party Right Here!

Katy Perry‘s album, Prism, finally hit stores and iTunes today, so obviously Katy isn’t just sitting at home on her couch with John Mayer waiting for her #KatyCats to tweet her with how much they love it. Nope. She’s out there in the world performing tracks off the album! Well, Los Angeles, to be exact. Tonight, Katy will be performing hits off Prism at the iHeartRadio Album Release party at the opening of the iHeartRadio theater in Los Angeles. And here’s what we’re getting at—you can watch the LIVE stream of the concert right here! How, you ask?

Poll: Vote for Katy Perry as Best New Song of the Week



Photos: Katy Perry and John Mayer’s Couple Style

All you need to do is tune into the Yahoo video above or Yahoo Screen starting TONIGHT at 9pm ET/6pm PT. You’ll see Katy’s entire performance plus see Mario Lopez as he hosts the entire event. See ya there!

Photos: Katy and John Mayer’s Amazing Duet

Also, be sure to rewatch the Katy concert this Friday, October 15 at 9pm ET on The CW! Are you going to tune into Katy’s performance tonight?  What’s your favorite song off Prism? Tweet us @OKMagazine.