Sarah Jacobs
She has been embracing the spirit of the holiday for the last 16 years, hosting a yearly bash that includes spooky decorations, elaborate costumes, and plenty of surprises.
From her transformation into an elderly woman to a full-blown butterfly costume, Klum never ceases to shock guests with her get-ups - and this year's Jessica Rabbit costume proved no different.
We got the chance to attend the coveted event and see what it was like on the inside, from the unbelievably intricate costumes to its long list of celebrity attendees.
This year's party was at Lavo, a trendy nightclub in Midtown Manhattan.
Here's what happened inside.