Hottest Celeb Halloween Costumes

Happy Halloween! What were your favorite celebs dressed as? We take a look at all the scary, cool and uncanny costumes that Demi Lovato, Nicki Minaj, Liam Payne, Lisa Rinna, Halsey, Kylie Jenner, Nina Dobrev, Gabrielle Union, Justin Timberlake and Jessica Biel wore this year.