01/26/2012 08:41 am ET Updated Mar 27, 2012

Rihanna And Chris Brown Party At L.A. Club; Exes Ignore Each Other

Well, that could have been awkward: Chris Brown and Rihanna were both partying at L.A. nightspot Greystone Manor Supperclub, but the exes stuck to separate sides of the venue, according to a clubgoer.

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