Anastacia Lyn Newkirk (born September 17, 1968), known simply as Anastacia, is an American singer-songwriter, producer and former dancer. She is best known for her eclectic pop music of the early 2000s which had a significant impact in Europe and Oceania. Her first two albums “Not That Kind” (2000) and “Freak of Nature” (2001) were released in quick succession to major success. Known for her powerful mezzo-soprano voice and her small stature of 5 feet 2 inches (157 cm), she has been dubbed “the little lady with the big voice”.

She has sold over 52 million records worldwide and has topped the U.S. dance chart on two separate occasions.