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 .
NEW : Probation report : Brown , Rihanna in two previous domestic violence incidents . Chris Brown sentenced to five years probation and `` labor-oriented service '' Brown admitted in a plea deal that he was guilty of a felony assault . Police statement : Brown punched girlfriend Rihanna in February .