Demi Lovato is not a music artist.
Demetria Devonne Lovato ( [ ˈdɛmi_loʊ-ˈvɑːtoʊ ] or ; born August 20 , 1992 ) is an American singer , songwriter , and actress . Her debut album , Do n't Forget ( 2008 ) , debuted at number two on the US Billboard 200 . Her third album , Demi ( 2013 ) , opened with first-week sales of 110,000 copies . The lead single from her eponymous album , `` Heart Attack '' , became her third top 10 in the US and the album spawned three more singles . Its lead single `` Cool for the Summer '' was eventually certified double platinum by the Recording Industry Association of America .