This year, Neil Patrick Harris' famed family costume went old-school. Chrissy Teigen celebrated Luna's first October 31 with a series of adorable looks. Mariah Carey and Nick Cannon's family found inspiration in video games. And Kourtney Kardashian's brood indulged in a little '90s nostalgia.
Click through to see the cutest looks from the fanciest trick-or-treat routes. It's never too early to start gathering inspiration for next year.