Rihanna kept the dominatrix gear to a minimum performing in NYC last night to benefit her charity for children with cancer, Believe, and DKMS research. Not only did she perform for the kids, but she also stopped to pose and sign autographs for them — such a little sweetheart. There was one audience member in particular who must have been especially proud to see her work on stage and with the kids: Chris Brown was spotted sneaking out with Rih after the show. I guess there was no duet in the cards last night, but there's always another opportunity for the inseparable duo.
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