Anastacia Lyn Newkirk, better known mononymously as Anastacia, is an American singer-songwriter. Anastacia has been highly successful around the world outside the United States.

Anastacia Lyn Newkirk, better known mononymously as Anastacia, is an American singer-songwriter. Anastacia has been highly successful around the world outside the United States.

Anastacia Lyn Newkirk, better known mononymously as Anastacia, is an American singer-songwriter. Anastacia has been highly successful around the world outside the United States.

Anastacia Lyn Newkirk, better known mononymously as Anastacia, is an American singer-songwriter. Anastacia has been highly successful around the world outside the United States.

Anastacia Lyn Newkirk, better known mononymously as Anastacia, is an American singer-songwriter. Anastacia has been highly successful around the world outside the United States.