Demi Lovato is not a music artist.
`` Cool for the Summer '' is a song by American singer Demi Lovato . 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 . Its lead single `` Cool for the Summer '' was eventually certified double platinum by the Recording Industry Association of America . All five of Lovato 's albums have received a gold certification in the US .