Monster High Dance the Fright Away Singing Popstar Ari Hauntington Doll In the Welcome to Monster High movie, a new character, Ari Hauntington, emerges, and it turns out this daughter of a ghost has a monster secret! Help Ari Hauntington doll steal the show by controlling her performance of her signature song as seen in the film using hand movements A sensor within the doll detects when you are near and starts the performance -- move a hand closer or further away from the doll to control the lights and sounds with spooktacular effect Ari Hauntington doll is a vision wearing a movie-inspired boo-hemian look designed in shades of purple, mixing iconic prints and silvery chain details on her belt, headband and gladiator sandals A silvery microphone the doll can actually hold adds to the performance and storytelling fun