Each Halloween, the web hosts its personal chaotic vogue week — led by celebrities who know easy methods to work a feed. Instagram‘s the pink carpet, TikTok‘s the after-party, and the gown code is easy: “no matter will break the algorithm.”
This yr was no exception. Celebs traded couture for cosplay, turning Halloween right into a high-production content material drop. The members of KATSEYE embodied completely different Mariah Carey eras in a trendy red-carpet spoof that includes Bowen Yang. Demi Lovato leaned into memehood by resurrecting her notorious alter ego, Poot Lovato. And Kim Kardashian dressed up as a TikTokker, a reminder of simply how a lot affect these social media stars now maintain.
What’s hanging now could be how few of those costumes ever depart the set.
Halloween has turn into much less a celebration than a photograph shoot, an opportunity to drop cinematic edits, editorial-grade stills, and shiny carousels that rack up hundreds of thousands of likes.
Whether or not they’re recreating popular culture icons or reviving viral memes, stars aren’t simply dressing up for the evening; they’re staging a feed takeover.
Listed here are the viral superstar costumes that owned Halloween 2025.
Demi Lovato as Poot Lovato
In 2015, an unflattering pink carpet photograph of Demi Lovato spawned one of many web’s strangest legends: Poot Lovato, her supposed basement-dwelling twin.
A decade later, Lovato leaned in — actually — recreating the meme with uncanny precision, fluorescent lighting and all. It is camp, it is catharsis, and it is proof that nobody can reclaim a meme fairly like its originator.
Lisa as Jibaro from Love, Loss of life & Robots
Depart it to BLACKPINK famous person Lisa to tug off probably the most visually hanging seems to be of the season.
Channeling the siren from the Emmy-winning Love, Loss of life & Robots episode “Jibaro,” she swapped glitter for full-body gold and jangly jewels, remodeling the animated nightmare into high fashion. It is half efficiency artwork, half pop-idol spectacle — and simply essentially the most gilded Halloween seems to be to hit Instagram this yr.
Mashable Pattern Report
Megan Thee Stallion as Choso from Jujutsu Kaisen
Otaku Sizzling Lady meets cursed vitality. Megan Thee Stallion went full anime once more this yr, cosplaying Choso from Jujutsu Kaisen, right down to the character’s distinctive blood-manipulation markings and stoic stare.
With the Culling Sport arc set to kick off in Jujutsu Kaisen Season 3 this January — and Choso stepping extra into the highlight — Meg’s timing was immaculate.
Kim Kardashian as TikTokker Jay Guapõ

Credit score: TikTok / @kimandnorth
Halloween has all the time been about transformation, however Kim Kardashian’s selection this yr mentioned one thing about the place fame lives now.
By dressing up as TikTok creator Jay Guapõ — finest recognized for his signature model and shitposting humor — she blurred the road between influencer and influenced. When even a Kardashian is cosplaying TikTokkers, you recognize the creator economic system has totally eclipsed Hollywood.
Benito Skinner and Mary Beth Barone as Nick and Judy from Zootopia
Nobody commits to a bit like Benito Skinner and Mary Beth Barone.
The Overcompensating comedy duo stepped into the world of Zootopia as Nick Wilde and Judy Hopps, full with prosthetic noses, cop gear, and raunchy chemistry. Equal components furry fantasy and sketch-comedy dedication, it’s the type of costume that proves Halloween works finest when it is humorous and unsettling.
Bretman Rock and Cleo as Glinda and Elphaba from Depraved
Bretman Rock is aware of easy methods to make an announcement — this time, sharing the highlight together with his niece Cleo in full Broadway glam.
The pair embodied Glinda and Elphaba from Depraved, completely balancing bubblegum pink and emerald inexperienced. It was candy, theatrical, and pure Bretman: camp with coronary heart.
KATSEYE as Mariah Carey eras
KATSEYE turned Halloween right into a Mariah multiverse — and a full-circle web second.
Earlier this yr, the Gen Z lady group went viral after fumbling a red-carpet query about Mariah Carey’s music movies. For Halloween, they clapped again with a wink, every member embodying a distinct Carey period in a red-carpet parody video that includes Bowen Yang.
Manon wore the “We Belong Collectively” marriage ceremony robe, Sophia channeled “Honey,” Lara slipped into “Obsessed” snakeskin, Megan revived low-rise “Heartbreaker” denim, Daniela rolled via “Fantasy,” and Yoonchae topped it off in “All I Need for Christmas Is You” pink.
It is self-aware, stan-coded, and proof that this group understands precisely easy methods to flip a viral joke into pop mythology. Oh, and it is completely Mariah-approved.
Janelle Monáe as The Cat within the Hat
Janelle Monáe’s Halloween transformations have turn into their very own annual occasion.
This yr, she turned The Cat within the Hat right into a latex-clad fever dream — half Dr. Seuss, half cabaret. For Monáe, Halloween is greater than a dressing up contest. It is an act of world-building.
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