Plus: Six more chilling years of parties hosted by one little devil and his ghouls next door

T he annual Halloween bash at the Playboy Mansion is, hands-down, the most eagerly anticipated holiday party in all of Hollywoodland. Hef’s Tudor estate is utterly transformed into a Gothic castle, from the gargoyles on the roof to the graveyard on the front lawn. Not only does Hef’s “late-summer night’s scream” draw the A-plus of Hollywood A-listers, but it also lets wholesome girls next door become a little naughty and bad girls look really, really nice. For your Halloween treat this year, we’ve compiled the sexiest of costumes and the biggest names from past year’s parties to form one big spooktacular gallery.