Happy Halloween from Nickelodeon & Disney Stars!

Nickelodeon and Disney Stars: Olivia Holt, Bridgit Mendler, Cameron Boyce, Debby Ryan, The Wonder Girls, Katherine Mcnamara, Elle Fowler, Blair Fowler, Raini Rodriguez, Ross Lynch, Peyton List, Skai Jackson tell us what their favorite costume and what is spooky about Halloween.