Melanie Martinez's hair is a signature part of her artistry, with her hair color constantly changing. This page features all of the different colors her hair has been throughout the years. Melanie's hair is naturally brown. Soon before she auditioned for The Voice, she dyed half of her hair blonde and the other part black. Melanie constantly changes the color of the blonde side, while the black side remains always the same. During the Cry Baby era, Melanie switched to wearing wigs since her…