Good girl gone bad Rihanna got a little more tough girl last night adding new ink to her skin. She had Chris Brown by her side at a Manhattan tattoo parlor where she got the star tattoo on her back extended before heading off to a surprise birthday party for Melissa Forde. The maybe/maybe not dating duo obviously showed up to the bash separately, but he was sure to be by her side with a hand to squeeze while enduring the tattoo pain. Ouch.

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