Hollywood's fashion set seriously delivered in the style stakes on Halloween weekend, delivering up a platter of scarily good costumes to attend the A-lister parties of the season.
While the likes of Paris Hilton, Justin Bieber, Kaia Gerber and Austin Butler were amongst the stars to attend the legendary Casamigos Halloween party in Beverly Hills, the Kardashians appeared to host haunting house parties in their own homes.
From ghoulish getups to genius pop culture creations, keep scrolling to discover the sartorial successes from the stars for Halloween 2023.
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Camila Cabello channeled Anne Hathaway's iconic Princess Mia persona from 2001 film The Princess Diaries, complete with a strapless satin dress, sunglasses, headphones and an updo with a tiara.
West Side Story muse Rachel Zegler took a trip down memory lane this Halloween, emodying Daphne from "Scooby Doo" in a copper wig and purple mini dress.
Model Anok Yai transformed herself into an evil temptress at Heidi Klum's 22nd Annual Halloween Party presented by Patron El Alto, taking body art to the next level with a psychadelic painted bralette.
Bimini Bon Boulash
Ru Paul's Drag Race legend Bimini Bon Boulash turned to Regencycore for Halloween, going all out in a Champagne-hued billowing gown, opera gloves and a frothy silver wig.
Heidi Klum's daughter Leni served up a kitsch and cool doll look for her mom's annual Halloween party, teaming a set of candy pink lingerie with thigh-high striped socks and a punk pink wig.
Justin Bieber's dedication to walk around in flippers all night is next level commitment, but he stayed true to his Mamma Mia!-esque costume at the Casamigos Halloween Party on October 27 in Los Angeles, California.
Margot Robbie did her fair share of dressing up this year, painting the town pink at plastic fantastic Barbie premieres across the globe. For Halloween this year, the Australian actress went undercover in an all-black ensemble, adding a stylised vendetta mask and black wig to dramatise her disguise.
Demi Lovato channelled her inner Disney princess in a Snow White-inspired gown.
Paris did away with her signature blonde locks for Halloween this year, transforming herself into the world's most glamorous toadstool in a vampy vinyl bodysuit and fringed scarlet chaps.
The mother-of-one added a raven-haired wig and mushroom hat to her kitsch costume - which was formerly worn by her close friend Katy Perry for a performance in August 2022. Sharing is caring!
Adele got into the Halloween spirit for her Las Vegas residency, channelling Morticia Adams to perform on 27 and 28 October.
The Kardashians, like most sisters, like to poke fun at their siblings' faux pas. In a nod to Kim Kardashian's infamous Met Gala debut dress from 2013, pregnant Kourtney wore her sister's bespoke Givenchy by Riccardo Tisci dress - and it landed perfectly with fans.
"Stole her wedding country. Stole her met gala look. Iconic. Truly," penned a fan in the comments.
We can always rely on Hailey Bieber to deliver an immaculate performance on Halloween - and this year's spooky look paid homage to iconic slasher movie, Scary Movie.
Recreating the movie's horrifying opening scene, Hailey channelled Carmen Electra in a blood-soaked white lingerie set - and fans were convinced it was Justin behind the Ghostface mask.
"I’m sorry everyone she WON Halloween this year," penned a fan.
Later, Hailey and Justin channelled Pebbles and Bamm-Bamm from the classic cartoon The Flintstones for J Morgan and Michael Braun's Halloween party, going all-out with an electric orange wig and prehistoric costumes.
British actress Jodie Turner-Smith leaned into Halloween couture in a cow-inspired costume to attend Vas J Morgan and Michael Braun's Halloween party in West Hollywood.
Kate Beckinsale, 50, looked otherworldly to party in West Hollywood as she transformed herself into one of American cinema's most alluring sci-fi figures.
The actress revived Barbarella, the buxom space traveller made famous by Jane Fonda in the iconic 1968 film of the same name, directed by Roger Vadim.
Megan Fox and Machine Gun Kelly
Power couple Megan Fox and Machine Gun Kelly transformed themselves into characters from Kill Bill for this year's Halloween.
Megan, 37, looked iconic dressed as the teenage assassin Gogo, in the character’s classic schoolgirl outfit. The Jennifer’s Body star wore faux bangs with her usual jet black tresses and added a gory twist of blood dripping down her face as an ode to the moment Gogo weeps blood in the film.
Kaia Gerber and Austin Butler
Surprisingly, Austin Butler didn't dress as Elvis for Halloween, instead rocking a mop of blonde hair to revive 1960s Andy Warhol as his girlfriend Kaia dressed as Edie Sedgwick.
"Happy birthday, Mister President," wrote Kendall Jenner as she sported a coiled blonde wig and silhouette-skimming black top for Halloween, resplendent with 1950s muse Marylin Monroe.