ROWAN BLANCHARD
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Photo: Instagram
VANESSA HUDGENS
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Photo: Instagram
JENNA DEWAN TATUM
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Photo: Instagram
CHANNING TATUM
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Photo: Instagram
DEMI LOVATO
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Photo: Instagram
BELLA THORNE
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Photo: Instagram
JAIME KING
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Photo: Getty
JOE KEERY
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Photo: Getty
AMAL CLOONEY
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Photo: Getty
BUSY PHILIPPS
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Photo: Instagram
KIM KARDASHIAN
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Photo: Getty
LENA DUNHAM
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Photo: Instagram
ZOË KRAVITZ AND KARL GLUSMAN
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ZOË KRAVITZ AND KARL GLUSMAN
Photo: Instagram
KARLIE KLOSS
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Photo: Instagram
ISLA FISHER
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Photo: Instagram
LAUREN CONRAD
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Photo: Instagram+laurenconrad
ADELE
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Photo: Instagram+Adele
SARAH PAULSON AND HOLLAND TAYLOR
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SARAH PAULSON AND HOLLAND TAYLOR
Photo: Getty
KARLIE KLOSS
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Photo: Getty
PARIS HILTON
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Photo: Getty
EMILY RATAJKOWSKI
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Photo: Instagram
ANWAR HADID AND NICOLA PELTZ
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ANWAR HADID AND NICOLA PELTZ
Photo: Getty
PARIS AND NICKY HILTON
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as Princess Jasmine and a cat at amfAR's Halloween party. Photo: Getty
IZABEL GOULART
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at amfAR's Halloween party. Photo: Getty
CINDY CRAWFORD AND RANDE GERBER
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CINDY CRAWFORD AND RANDE GERBER
at the Casamigos '70s-Themed Halloween Party. Photo: Getty
KAIA GERBER
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at the Casamigos '70s-Themed Halloween Party. Photo: Getty
ELLIE GOULDING
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as Dolly Parton at amfAR's Halloween party. Photo: Getty
SHANINA SHAIK
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at amfAR's Halloween party. Photo: Getty
ALESSANDRA AMBROSIO
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as Cher at the Casamigos Halloween party. Photo: Getty
NAOMI CAMPBELL
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at amfAR's Halloween party. Photo: Getty
ANDREJA PEJIC
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at amfAR's Halloween party. Photo: Getty
KOURTNEY AND KIM KARDASHIAN
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KOURTNEY AND KIM KARDASHIAN
as Michael Jackson and Marilyn Monroe. Photo: Instagram @KourtneyKardashian
SARA SAMPAIO
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as a creepy Red Riding Hood. Photo: Getty
LAIS RIBEIRO
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as Mystique from X-men. Photo: Instagram
JASMINE TOOKES
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as an actual Cat Woman. Photo: Instagram
JOSEPHINE SKRIVER
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as Hannibal Lector. Photo: Getty
VICTORIA'S SECRET ANGELS
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at Saturday's Night of The Fallen party in New York. Photo: Getty
Julia Restoin Roitfeld
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Dressed as the Evil Queen in Snow White. Photo: Instagram
HALLE BERRY
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underwent a vampy makeover in her guise as a spider witch. Photo: Getty
JUSTIN TIMBERLAKE AND JESSICA BIEL
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Justin Timberlake Jessica Biel
The whole dressed as Toy Story characters. Photo: Instagram
HEIDI KLUM
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Heidi might've outdone herself this year as she dressed as the werewolf from 'Thriller'. Photo: Getty
CLAUDIA SCHIFFER
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dressed as Power Ranger to Jonathan Ross' 2017 Halloween party. Photo: Getty
