of mystery woman in brown/rihanna case revealed

Mystery Woman in Brown/Rihanna Case Revealed: TMZ reveals that ChrisBrown's manager, Tina Davis, was the woman who left the text message on his phone.

TMZ knows who triggered the fight that left Rihanna battered and bruised and Chris Brown an accused felon -- it's Brown's manager.

Sources tell us the woman who left the three-page text message on Brown's cell phone is Tina Davis. Davis -- who turns 40 this month -- was rumored to have had a relationship with Brown when he was 16. Brown and Davis have denied it.