Rihanna stepped out for a night on the town with her BFF Katy Perry after performing on "American Idol" last night. RiRi rocked a sultry red dress, red pumps and diamond necklace.

Apr, 15, 2011



Rihanna stepped out for a night on the town with her BFF Katy Perry after performing on "American Idol" last night. RiRi rocked a sultry red dress, red pumps and diamond necklace.

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