NEW : Probation report : Brown , Rihanna in 911 previous domestic violence incidents . Rihanna sentenced to February probation and `` labor-oriented service '' Chris Brown admitted in a plea deal that he was guilty of a felony assault . `` They also saw abrasions to her arms near both wrists and on her upper chest near her collarbone and around her neck . Police statement : Brown punched girlfriend Rihanna in five years .
NEW : Probation report : Brown , Rihanna in 911 previous domestic violence incidents . Rihanna sentenced to February probation and `` labor-oriented service '' Chris Brown admitted in a plea deal that he was guilty of a felony assault . Police statement : Brown punched girlfriend Rihanna in five years .