Anything we can do, celebs can do better—especially when it comes to Halloween. While you were running around in your "sexy" Princess Elsa costume, some of our favorite A-listers were taking things to a whole new level. Sure, they usually have hair and makeup teams at the ready, but that doesn't take away from the flawlessness of their spooky (and sometimes hilarious) costumes. From Beyonce and Blue Ivy to Kim Kardashian and Katy Perry, click through for a look at some of the best dressed celebs this Halloween.