Adam Lambert cakes on makeup, puts in fangs, and wraps himself in a cape as a musical guest on the Halloween episode of Pretty Little Liars. VIDEO: Watch Adam Lambert Make 'PLL' Crazy! The self-professed 'glampire' will share a scene with Lucy Hale's character Aria. He tells ET, 'I don't suck blood her or anything. I'm friendly. I'm Adam Lambert dressed as a vampire. I'm not an actual vampire.'