Anastacia (born Anastacia Lyn Newkirk on September 17, 1973) is an American singer and songwriter. Anastacia is world renowned for her powerful, edgy, soulful voice and is a dramatic coloratura contralto, famous for her ability to hit high notes in her chest voice. She was also known for her trademark glasses, but she had surgery to correct her vision permanently in August 2005. She has made headlines when diagnosed with breast cancer in 2003 and ,when in 2007, she married her bodyguard of three years, Wayne Newton, in Mexico. She has also made a record of the only woman tp,perform Jesus Christ Superstar.