who is Delta Goodrem? Australian singer Delta Goodrem 2012 net worth? Delta Goodrem is an Australian singer-songwriter and actress with an estimated net worth of $1.5 million dollars. Delta Goodrem Born in Sydney, New South Wales, Australia, Delta Goodrem began her professional performance career appearing in commercials while in elementary school. She also began studying dance and acting, and began playing the piano when she was seven years old. Delta Goodrem one of the Best Singer and actress.