When you've hosted an annual Halloween bash for the past 17 (!) years, you've gotta keep things fresh.
So instead of dressing up as Sexy Harambe or Harley Quinn, supermodel emeritus Heidi Klum hired five doppelgangers to dress just like her in New York City on Monday night.
And yes, Klum even helpfully posted a rear view of her "costume" on Instagram.
She even snapped a shot of everyone's thigh-high boots. So was it more of a trick or a treat? We're still too dizzy to decide...