Recurring Guest Characters Guest Host 12 guest appearances Guest DJ 12 guest appearances Mariah Carey 1 guest appearances Michael Bolton 1 guest appearances Ginuwine 1 guest appearances Shaquille O'Neal 1 guest appearances Lance Bass 1 guest appearances Joey McIntyre 1 guest appearances Demi Lovato 1 guest appearances Ludacris 1 guest appearances Larenz Tate 1 guest appearances Rob Gronkowski 1 guest appearances Camille Kostek 1 guest appearances Dorit Kemsley 1 guest appearances Garcelle Beauvais 1 guest appearances