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 . Here We Go Again is the second studio album by American singer Demi Lovato . Unbroken is the third studio album by American singer Demi Lovato .