Demi Lovato Sizzles on New Cover

Cool for more than the summer! Demi Lovato got her smolder on for the September cover of Cosmopolitan, flashing major cleavage and her fit frame in a tiny, rhinestone-covered silver dress.

nside the mag, the “Cool For the Summer” songstress, 22, was candid about her five-year romance with boyfriend Wilmer Valderrama. The pair started dating when she was 18 and he was 30, and early into their romance split several times.