Anastacia Lyn Newkirk (; an haife shi a ranar 17 ga Satumba, 1968) wani mawaƙa ne na Amurka, mawallafin waƙa, mai tsarawa da kuma tsohon mai rawa. An fitar da kundi biyu na farko ba irin wannan (2000) da kuma Freak of Nature (2001) ba da daɗewa ba zuwa gagarumar nasara. An ba da lambar yabo ta "I'm Outta Love", Anastacia a matsayin 'Mafi Kyau na Duniya na Duniya' a shekara ta 2001. Ta ci gaba da cin nasara ta kasuwanci tare da kasashe na duniya kamar "Paid My Dues", "One Day In Your Life" da kuma waƙar da aka yi a gasar cin kofin duniya na 2002, "Boom". Bayan da ta dawo daga ciwon daji, ta dawo tare da Anastacia na 2004 wanda ya ɓace daga kundin da suka gabata zuwa pop-rock.
17 ga Satumba, 1968