See the 2019 Halloween costumes from your favorite stars
Freddie Prinze Jr. as Doc Brown and Sarah Michelle Gellar as Marty McFly from Back to the Future
Credit: Sarah Michelle Gellar/ Instagram
Mindy Kaling as Cliff Booth from Once Upon a Time in Hollywood
Credit: Mindy Kaling/Instagram
Tom Kaulitz as an astronaut and Heidi Klum as an alien
Credit: Noam Galai/Getty Images
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Antoni Porowski as Blockbuster Video
Credit: Astrid Stawiarz/Getty Images
Bette Midler as Mae West
Credit: Steven Ferdman/Getty Images
Barbara Palvin and Dylan Sprouse as Princess Mononoke's San and Ashitaka
Credit: Taylor Hill/Getty Images
Noah Galvin, Beanie Feldstein, Ben Platt, and Molly Gordon as characters from The Wizard of Oz
Credit: Steven Ferdman/Getty Images
David Burtka and Neil Patrick Harris as the Olsen twins
Credit: Noam Galai/Getty Images
Katie Couric as Elizabeth Holmes and John Molner as Bob Ross
Credit: Ben Gabbe/Getty Images
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Lance Bass as JoJo Siwa and JC Chasez as Mickey Mouse
Credit: Vivien Killilea/Getty Images
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Michael Douglas as Lawrence of Arabia and Catherine Zeta-Jones as Jean Harlow
Credit: Jim Spellman/WireImage
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Darren Criss as a dalmatian and Mia Swier as Cruella de Vil
Credit: Vivien Killilea/Getty Images
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Jonathan Van Ness as a cat
Credit: Noam Galai/Getty Images
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Ashley Tisdale and Christopher French as the Maitlands from Beetlejuice
Credit: Ashley Tisdale/Instagram
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Debra Messing as Joan of Arc
Credit: Debra Messing/Instagram
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Dakota Fanning as a shower loofah
Credit: Dakota Fanning/Instagram
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January Jones as Sigourney Weaver in Ghostbusters
Credit: January Jones/ Instagram
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Molly Sims and family as The Wizard of Oz
Credit: Molly Sims/ Instagram
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Zoe Saldana as a ballerina
Credit: Zoe Saldana/Instagram
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Charlize Theron and her mother as Gomez and Morticia from The Addams Family
Credit: Charlize Theron/ Instagram
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Busy Philipps as Amy Poehler in Mean Girls
Credit: Busy Phillips/ Instagram
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Haim as Hanson
Credit: Haim/Instagram
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Camila Mendes as Rick from Rick and Morty
Credit: Camila Mendes/ Instagram
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Chris Colfer as Elizabeth Warren
Credit: Chris Colfer/Instagram
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Emma Bunton as a jack-o'-lantern
Credit: Emma Bunton/Instagram
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Gabrielle Union as a boxer and Dwyane Wade as Nino Brown from New Jack City
Credit: Dwayne Wade/Instagram
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Chrissy Metz as Beetlejuice
Credit: Chrissy Metz/Instagram
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Kim Kardashian as Elle Woods in Legally Blonde
Credit: Kim Kardashian West/Twitter
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Cody Simpson and Miley Cyrus as Billy Idol and Perri Lister
Credit: Miley Cyrus/Instagram
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Jane Krakowski as Miss Adelaide from Guys and Dolls
Credit: Jim Spellman/WireImage
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Mariah Carey as an '80s rocker
Credit: Craig Barritt/Getty Images
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Lucy Boynton as the Corpse Bride
Credit: Jim Spellman/WireImage
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Judith Light as Marlene Dietrich
Credit: Jim Spellman/WireImage
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Ice-T as a character from The Purge and Coco as Madonna
Credit: Taylor Hill/Getty Images
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Jenna Dewan as a skeleton
Credit: Steve Kazee/Instagram
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Ciara and Russell Wilson as Beyoncé and Jay-Z
Credit: Ciara/Instagram
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Jesse Tyler Ferguson and his husband Justin Mikita as Billie Eilish and her brother Finneas
Credit: Jessie Tyler Ferguson/ Instagram
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Gabrielle Union as a boxer and her husband Dwyane Wade as New Jack City's Nino Brown
Credit: Gabrielle Union/ Instagram
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Kerry Washington as Uma from The Descendants
Credit: Kerry Washington/Instagram; Disney Channel
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Beanie Feldstein as Dorothy, Ben Platt as the Tin Man, Molly Gordon as the Cowardly Lion, and Noah Galvin as the Scarecrow from The Wizard of Oz
Credit: Beanie Feldstein/ Instagram
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Neil Patrick Harris as Vincent van Gogh, his husband David Burtka as Salvador Dali, and their kids as Frida Kahlo and Andy Warhol
Credit: Neil Patrick Harris/ Instagram
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Haim as Hanson
Credit: HAIM/ Instagram
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Tracee Ellis Ross as DJ Quik
Credit: Tracee Ellis Ross/ Instagram
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Lil Nas X as Cam'ron
Credit: Lil Nas X/ Instagram
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Dax Shepard and Kristen Bell as Mr. and Mrs. Claus
Credit: Kristen Bell/ Instagram
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Busy Philips as June George, Regina George's cool mom from Mean Girls
Credit: Busy Phillips/ Instagram
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Tom Brady as a stormtrooper from Star Wars, and his wife Gisele Bunchen as the Earth
Credit: Gisele Bundchen/ Instagram
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Kylie Jenner as Ariel from The Little Mermaid
Credit: Kylie Jenner/ Instagram
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Kate Beckinsale as Audrey Hepburn's Holly Golightly and Jonathan Voluck as Elton John
Credit: Kate Beckinsale/Instagram
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LeBron James as Edward Scissorhands
Credit: LeBron James/ Instagram
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Demi Lovato as Marie Antoinette
Credit: Demi Lovato/Instagram
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Kevin Hart as Dwayne 'The Rock' Johnson
Credit: Kevin Hart/Instagram; Dwayne Johnson/Instagram
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Charlie Cox as Loki and Tom Hiddleston as Daredevil
Credit: Bruce Glikas/Getty Images
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Tom Brady as a stormtrooper
Credit: Tom Brady/ Twitter
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Rose McGowan as Mia Farrow in Rosemary's Baby
Credit: Rose McGowan/Twitter
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Andy Cohen and son Benjamin as Snoopy and Woodstock
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Bella Hadid as Fred Flintstone
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Jessica Biel as Justin Timberlake in *NSYNC and Justin Timberlake as her microphone
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Tracee Ellis Ross as DJ Quick
Credit: Tracee Ellis Ross/Instagram
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Kourtney Kardashian as Ariana Grande
Credit: Kourtney Kardashian/Instagram
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Evan Peters and Halsey as Sonny and Cher
Credit: Rachel Luna/FilmMagic
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Gabrielle Union and daughter Kaavia as Isis from Bring It On
Credit: Gabrielle Union-Wade/Instagram
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G-Eazy as Edward Scissorhands
Credit: G-Eazy/Instagram
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Elizabeth Hurley as Uma Thurman's the Bride character in Kill Bill
Credit: Elizabeth Hurley/Instagram
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Alexis Martin Woodall and Kathy Bates as a cat from Cats
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Ashely Graham as Jessica Rabbit
Credit: Ashley Graham/Instagram
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Cardi B as a sexy nurse
Credit: Johnny Nunez/WireImage
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Kelly Osbourne as a clown
Credit: Kelly Osbourne/Instagram
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Lisa Rinna as J.Lo at the 2000 Grammys
Credit: Michael Kovac/Getty Images
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Heidi Klum and Tom Kaulitz as human fireworks
Credit: Heidi Klum/Instagram
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Tracee Ellis Ross as Lupita Nyong'o's doppelgänger in Us
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Nina Dobrev as Billie Eilish
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Chris Ivery as Prince, Ellen Pompeo as Cher, and Cindy Crawford, and Rande Gerber as hippies
