By the time she was four, Brandy Norwood's parents had moved the family from Mississippi to Los Angeles, in hopes of jump-starting careers for their daughter and son, Willie 'Ray J' Jr, then two. Having soloed in church at the age of two and shown every sign that stardom was in her future, she performed at many West Coast functions as part of a youth singing group and then, barely a teenager herself, landed a gig as backup singer for the teen R&B trio Immature. Next came a regular role on the short-lived ABC series "Thea" (1993-94), and while portraying its precocious teenager Danesha, she