Flashback: The best celebrity Halloween costumes of 2015
Galería: 49 Fotos
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'Grease' was the word for Gigi Hadid, one of the many star guests at Jessica Rabbit's – we mean Heidi Klum's! – star-studded annual party sponsored by SVEDKA vodka at Lavo in New York City. Photo: Getty Images
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Me and Mrs. Bones! Casper Smart and Jennifer Lopez hit the black carpet at Heidi's party, too. Photo: Getty Images
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Emily Ratajkowski, as Marge Simpson, looked like she jetted in from Springfield for the GSN’s Hellevator sponsored soirée. Photo: Getty Images
