Anastacia Lyn Newkirk ( AN-ə-STAY-zhə; born September 17, 1968), known mononymously as Anastacia, is an American singer-songwriter who has released eight albums and sold over 50 million records worldwide, and collecting a total of 227 gold and platinum certifications. Thanks to her distinctive tone she has been described as "the little lady with the big voice." Anastacia defines her musical style as "sprock", meaning a fusion of soul, pop, and rock. Anastacia began her career in 1983 as a dancer.... [more on Wikipedia]