Demi Lovato is an American singer.
Demi is the fourth studio album by American singer Demi Lovato . Demetria Devonne Lovato ( [ ˈdɛmi_loʊ-ˈvɑːtoʊ ] or ; born August 20 , 1992 ) is an American singer , songwriter , and actress . Her third album , Demi ( 2013 ) , opened with first-week sales of 110,000 copies .