Demi Lovato Hairstyles. Demi is one of the hottest new teen sensations from her makeup to her beautiful singing voice she’s one to keep an eye on. The girl will surely go far in her career and she already has the style part down pact.Long curls give Demi Lovato‘s appear a fairly, polished really feel. To steal her type, wind hair around a medium-barrel curling iron in sections, spraying every panel with hairspray.