If there’s one thing celebrities truly know how to do, it’s celebrate Halloween in the most extravagant fashion. From outlandish parties to the intense buildup of the annual Halloween costume reveal (here’s looking at you, Heidi Klum), Hollywood has got Halloween down pat. But of course, our very favourite Halloween escapades of the rich and famous are the adorable dress ups of celebs and their families. While we know the reigning king of Halloween will forever be Neil Patrick