18 Iconic Celebrity Halloween Costumes to Inspire Your Spooky Season

Freya Drohan, Amanda LeTue, October 13, 2026 at 9:33 PM UTC

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Halloween falls on Saturday, October 31, 2026, making it the perfect occasion to dress up and celebrate.

From elaborate transformations to witty pop culture references, celebrities are known for going all out with their Halloween costumes.

InStyle rounds up 18 of the most iconic celebrity Halloween looks to inspire your spooky season style.

When it comes to Halloween, celebrities know how to go all out. From elaborate transformations and jaw-dropping makeup to clever pop culture references and effortlessly cool ensembles, Hollywood’s biggest stars have given us plenty of unforgettable costume moments over the years. And while having a glam squad and an unlimited budget certainly helps, you don’t need an A-list bank account to take inspo from their spooky season style.

Of course, no conversation about celebrity Halloween costumes would be complete without mentioning Heidi Klum, the undisputed queen of the holiday (throwback to the worm). But she’s far from the only famous face who knows how to make an entrance on October 31. Whether you’re looking to throw together a chic witchy outfit with pieces already in your closet or go all out with prosthetics, there’s plenty of room to get creative.

From sexy and scary to silly and downright iconic, we’ve rounded up 18 of the most memorable celebrity Halloween costumes to inspire your next look.

01 of 18

The Biebers as The Incredibles

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Who doesn’t love a coordinated family costume? In 2025, Justin and Hailey Bieber took inspiration from The Incredibles, dressing up as Mr. Incredible and Elastigirl, respectively, while their son, Jack Blues, made an adorable Jack-Jack.

02 of 18

Kourtney Kardashian as a Vampire

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Halloween came a little early for Kourtney Kardashian, who dressed up as a vampire for Landon Barker’s 23rd birthday bash just days before the holiday. But who says we can’t get a head start on costume inspo? Keeping things relatively simple, Kardashian paired vampy makeup and fake blood with a gothic-romantic ensemble, proving you don’t need an elaborate costume to nail a spooky look.

03 of 18

Kendall Jenner As Fembot

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Move over femme fatales—the kitschy fembots were scene-stealers in the 1997 movie, Austin Powers: International Man of Mystery. Leave it to supermodel Kendall Jenner to pull off the look with aplomb. For a Halloween party in Las Vegas in 2018, Jenner channeled the sci-fi hotties in a baby doll dress, ‘60s-style blonde wig, satin gloves, and marabou-trimmed heels. “Oh, behave!”

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Alix Earle as Lady Gaga

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Alix Earle paid homage to Lady Gaga’s “Poker Face” era for Halloween last year, complete with blinged-out sunglasses and platinum blonde hair. The influencer took to Instagram to share a carousel of photos showing off her transformation, fittingly captioning the post, “Channeling my inner monster this Halloween.”

05 of 18

Kaia Gerber as a Dallas Cowboys Cheerleader

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Kaia Gerber brought some serious team spirit to Halloween 2024, dressing up as a Dallas Cowboys Cheerleader for Vas J. Morgan and Michael Braun’s star-studded October 31 bash.

06 of 18

Zoe Kravitz as a Vampire at Breakfast

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Leave it to Zoe Kravitz to make a vampire look chic. In 2018, for the always hotly-anticipated Casamigos Halloween party, the fashion plate showed up as a ‘Mornings Suck Vampire’ complete with a robe, boxers, Seinfeld socks, Gucci loafers, and a turban towel on her head. With her coffee mug and newspaper in hand, we couldn’t have envisioned the proposed assignment coming to life any better than this.

07 of 18

Rihanna as a Teenage Mutant Ninja Turtle

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In 2014, Rihanna channeled Raphael from Teenage Mutant Ninja Turtles, her friends dressing as the rest of the crime-fighting crew. The group went all out with green body paint, bandanas, corset tops, swords, and bold red lips. And because Bad Gal RiRi never misses an opportunity to make a fashion statement, she topped off her look with Altuzarra × Gianvito Rossi knee-high gladiator heels, of course.

08 of 18

Mindy Kaling as Timothée Chalamet

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Calling all Knicks fans, we’ve found your next Halloween costume! Mindy Kaling transformed into Timothée Chalamet with a spot-on recreation of one of his courtside looks. The director and actress rocked a bright orange Knicks bomber jacket with matching pants, topping off the ensemble with a wig and a Timmy-coded mustache.

09 of 18

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Kim Kardashian As Cher

Credit: Neilson Barnard/Getty Images for Casamigos Tequila

When it comes to fashion history’s best-dressed icons, Cher is a hall of famer. There are plenty of era-defining looks to choose from, but when Kim Kardashian paid homage to the legendary performer when attending the Casamigos Halloween party in 2017, she opted to replicate the custom embroidered gold two-piece by Bob Mackie which wowed the world at the Academy Awards in 1973.

10 of 18

Paris Hilton as Britney Spears’s “Toxic”

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Y2K references collided when Paris Hilton popped up at the Casamigos Halloween party in 2023 as none other than her gal pal, Britney Spears. Specifically, in an homage to Spears’ iconic flight attendant outfit from the Toxic music video, nearly 20 years ago.

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Katy Perry as a Cheeto

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Given that Katy Perry famously arrived at the camp-themed Met Gala after-party as a cheeseburger one year, we should have known that she has a penchant for food-themed costumes. Five years before that viral first Monday in May outing, Perry opted for an unusual way to do ‘hot for Halloween’ by arriving at Kate Hudson’s party as a Cheeto.

12 of 18

Mariah Carey as Jessica Rabbit

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Before officially kicking off the Christmas season, Mariah Carey made time for a little Halloween glamour in 2023. The singer transformed went all in as Jessica Rabbit from Who Framed Roger Rabbit, sporting the animated bombshell’s signature red sequined gown, purple gloves, and cascading red waves.

13 of 18

Amal Clooney and Cindy Crawford As ’70s Disco Divas

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Someone, play Dancing Queen by ABBA, quick! At the Casamigos Halloween party in 2017, which followed a 1970s theme, the first wives of the tequila brand, Cindy Crawford and Amal Clooney, were both dazzling as Studio 54-ready stunners with big hair, bigger platforms, and slinky, sparkly outfits.

14 of 18

Poppy Delevigne As Harley Quinn

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Model and socialite Poppy Delevingne turned to another stylish blonde for Halloween inspiration in 2015. Delevingne pulled out all the stops to channel Margot Robbie’s cuckoo character Harley Quinn at the Unicef UK Halloween Ball and looked scarily similar. Let’s just say, we wouldn’t want to meet her and her baseball bat in a dark alleyway.

15 of 18

Winnie Harlow As RuPaul

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Sissy that walk! Runway regular Winnie Harlow channeled another queen of the catwalk when she opted to go to Heidi Klum’s annual Halloween Party in 2018 as a latex-clad RuPaul.

16 of 18

Cardi B as Mortritia Addams

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In 2021, Cardi B served up her take on Morticia Addams from The Addams Family. The rapper proved that sometimes all you need is a dark, dramatic ensemble and a little attitude to make a memorable Halloween statement.

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Heidi Klum as a Worm

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It’s no secret that Heidi Klum is the entertainment sphere’s biggest fan of Halloween; to the extent that coverage speculating about her yearly costume begins before October even kicks off. While it’s tough to land on her best-ever look—there are that many to pick from!—her appearance as a worm at her bash in 2022 will go down in pop culture history as one of the most hilarious red carpet moments ever. Kids: don’t try these prosthetics at home!

18 of 18

Rita Ora As Post Malone

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Imitation is the best form of flattery, right? Rita Ora paid credit to fellow chart-topper, musician Post Malone, at the KISS Haunted House Party in 2018. Right down to the signature face tattoos!

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