Guest Stars Sofia Carson as Herself Kristen Bell as Herself Lea Michele as Herself Idina Menzel as Herself Joey McIntyre as Himself Ciara as Herself Darius Rucker as Himself Telly Leung as Himself Fitz and the Tantrums as Themselves Hanson as Themselves Fifth Harmony as Themselves Jason Derulo as Himself 98 Degrees as Themselves In Real Life as Themselves Arielle Jacobs as Herself