See the Sexiest Celebrity Halloween Costumes of 2026, From Flirty Felines to Vampy Villains
Christina Aguilera attends her Annual XTINAWEEN Party on October 31, 2026 in Beverly Hills.Credit: Stefanie Keenan/Getty Images for Christina AguileraThe Gist
Halloween 2026 saw celebrities dressing up as one another and as classic characters, often with a sexy twist.
Hailey Bieber and Mariah the Scientist used textured bra tops to anchor their alluring ensembles.
Ice Spice and Barbara Palvin put a sultry spin on animated characters from Spongebob Squarepants and The Nightmare Before Christmas.
Each year, celebrities take Halloween to haunting new heights. Playing pretend and dressing up are big parts of their job, so crafting a great costume is very much in their wheelhouse. 2026 saw stars leaning into pop-culture references, dressing as each other, or going as something out-of-this-world entirely (see: Heidi Klum’s incredible severed hand costume). Some celebs went scary or sweet with their look, while others were all-out sexy.
From Lisa Rinna’s transformation into Kylie Jenner, to Chloe Bailey nodding to Family Guy by dressing up as Hot Meg Griffin, many stars opted for daring looks that were all treats and no tricks. Zendaya proved she’s aware of all those Halle Berry comparisons by recreating one of the Oscar winner’s most memorable Y2K looks in a string bikini top and low-rise pants.
Paris Hilton, meanwhile, set Instagram ablaze with a Britney Spears look inspired by the “I’m a Slave 4 U” singer’s performance at the 2001 MTV VMAs—complete with a halter-style bra top, aquamarine shorts, and a giant snake. It was her fourth time donning a costume inspired by the pop princess, a tradition which unofficially began in 2023.
Ahead, look back at some of the sexiest celebrity Halloween costumes of 2026, from sultry tributes to their fellow stars to spicy renditions of classic characters.
01 of 09
Hailey BieberHailey Bieber dressed as an angel for Halloween 2026.Credit: @haileybieber
Rhode founder Hailey Bieber dressed as an angel for Halloween, while husband Justin Bieber went as her devilish other half. Her heaven-sent look featured a feathery white bra top and black micro-shorts with a white button-down and dramatic wings. She finished off the costume with a glowing halo and a dusting of glittery makeup.
02 of 09
Barbara Palvin
Barbara Palvin at the Sprouse House Halloween Party on October 31, 2026.Credit: Phillip Faraone/Getty Images for Sprouse House and Raising Cane's
Barbara Palvin was a neon-green dream in a sexy Oogie Boogie outfit, nodding to the villain from The Nightmare Before Christmas. The Victoria’s Secret Angel’s body makeup blended seamlessly with her strapless gown, which had a thigh-high slit and matching detached sleeves.
03 of 09
Valentina Sampaio
Valentina Sampaio attends Heidiween at Cathedrale at NYC’s Moxy Hotel on October 31, 2026.Credit: TheStewartofNY/WireImage
Brazilian model Valentina Sampaio turned the blue carpet into a runway at fellow catwalk queen Klum’s annual Heidiween 2026 event in NYC. Sampaio wowed in an emerald-hued lace bodysuit, sheer thigh-high stockings, and flowy red hair. Her muse? DC Comics villainess Poison Ivy.
04 of 09
Mariah the Scientist
Mariah The Scientist attends Opium On A Friday: Mariah The Scientist Birthday Bash Halloween Party.Credit: Prince Williams/WireImage
Meow! Mariah the Scientist looked positively purrfect as the Cheshire Cat for her Halloween 2026 birthday bash in Atlanta. The “Spread Thin” artist channeled the iconic cartoon character with a furry pink bra top under a striped bodysuit. She topped off the slinky ensemble with a cat-ear headband.
05 of 09
Rita Ora
Rita Ora dressed as Dolly Parton in the East Village on October 30, 2026.Credit: TheStewartofNY/GC Images
Singer-songwriter Rita Ora was one of the many who paid homage to the late country music icon Dolly Parton’s signature look. Ora was pictured in a blonde wig, a cropped, bra-baring button-down shirt, and straight-leg jeans en route to the Unemployed X The Frankie Shop Dolly Lives! party on October 30 in NYC.
06 of 09
Christina Aguilera
Paris Hilton and Christina Aguilera at the Annual XTINAWEEN Party on October 31, 2026.Credit: Stefanie Keenan/Getty Images for Christina Aguilera
At her annual Xtinaween Halloween party, Christina Aguilera stole the (side)show in a creepy-cute clown costume. Her outfit included a corset-style bodice and teeny striped shorts, with a ruffled collar, over-the-knee stockings, and red heels tying it all together.
07 of 09
Ice Spice
Ice Spice at Unruly’s Halloween party presented by CH@Mobile on October 31, 2026.Credit: Michael Simon/Getty Images for Unruly Agency
Ice Spice looked oh-so-nice in her Spongebob-themed Halloween costume. Her take on the lovable Patrick Star came complete with tall black boots and fishnets in a nod to a scene from the end of 2004’s The SpongeBob SquarePants Movie.
08 of 09
Ava Max
Ava Max at the Sprouse House Halloween Party 2026 Presented by Raising Cane’s on October 31, 2026.Credit: Phillip Faraone/Getty Images for Sprouse House and Raising Cane's
Ava Max was a fierce lion for Halloween, stepping out in a sheer robe lined with beige faux fur. The “Sweet but Psycho” singer completed her look, worn to Dylan Sprouse and Barbara Palvin’s Sprouse House Halloween party, with black claw-like nails and feline-inspired makeup.
09 of 09
Iris Kendall
Iris Kendall attends the Sprouse House Halloween Party 2026 at Fab Factory on October 31, 2026.Credit: Phillip Faraone/Getty Images for Sprouse House and Raising Cane's
Love Island alum Iris Kendall put a flirty twist on a Wizard of Oz costume, swapping Dorothy Gale’s gingham dress for a ruffled miniskirt and a tiny top. She showed off her ‘fit at the Sprouse House Halloween event, kicking up a glittering red heel on the red carpet.
on InStyle
Source: Entertainment
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