; born September 17, 1968) is an American singer-songwriter, producer and former dancer.Her first two albums Not That Kind (2000) and Freak of Nature (2001) were released in quick succession to major success.
She was diagnosed with Crohn's disease at age 13, breast cancer at age 34, and supraventricular tachycardia at age 39.
In 2013, Anastacia was diagnosed with breast cancer for a second time.
In recognition of her decade-long charitable efforts in breast cancer awareness, Anastacia became only the second woman to be presented with the Humanitarian Award at the GQ Men of the Year Awards in 2013. Her first claim to fame was as a professional dancer (dancer for hire), making regular appearances in the mid-1980s and early-90s on MTV's Club MTV.
In 2017, Anastacia released her new studio album Evolution and its lead single "Caught In The Middle".
Also famed for her trademark glasses, she underwent corrective LASIK surgery in August 2005, although she still frequently wears them.