New York City buzzed with excitement on October 31, 2025, as supermodel Heidi Klum hosted her legendary 24th annual Halloween party, dubbed Heidiween, at the Hard Rock Hotel. Known as the Queen of Halloween, Klum once again transformed the event into a spectacle of creativity, horror, and glamour, drawing a star-studded crowd eager to showcase their most outrageous costumes. The bash, which has become a staple in celebrity culture, featured themes inspired by mythology, pop culture icons, and spine-chilling creatures, with attendees committing fully to the spooky spirit. Social media erupted almost immediately, with photos and videos from the red carpet going viral, amassing millions of views and shares across platforms like Instagram, TikTok, and X. Fans and influencers alike praised the ingenuity, turning the night into a global trending topic under hashtags like #Heidiween2025 and #HalloweenCostumes.
At the center of it all was Heidi Klum herself, who arrived fashionably late to build suspense, a tradition she’s maintained for years. This year, she embodied the mythical Gorgon Medusa, a terrifying yet mesmerizing choice that left onlookers in awe. Klum’s skin was painted a vivid, scaly green, complete with a serpentine tail that trailed behind her as she slithered along the blue carpet, sticking out her forked tongue at photographers. Her headpiece was a masterpiece of animatronics, featuring multiple writhing snakes that moved realistically, crafted by a team of over 35 professionals, including makeup artist Mike Marino. The costume included sharp fangs and intricate body paint applied by 15 artists, emphasizing the petrifying gaze of the Greek monster. Klum had teased the look on social media in the days leading up, warning fans it would be “very ugly,” and it delivered on that promise, blending horror with high fashion.
Her husband, Tom Kaulitz, complemented the theme perfectly as a Greek warrior turned to stone, his body covered in gray prosthetics, holding a sword and shield in a frozen pose that symbolized Medusa’s deadly stare. The couple’s coordinated outfits quickly became a highlight, with clips of their entrance garnering thousands of retweets and likes on X within hours.
As guests arrived, the red carpet turned into a parade of epic transformations, each more inventive than the last. Glee alum Darren Criss stole the show with his hilarious take on Shrek, the beloved ogre from the DreamWorks franchise. Criss went all out, donning bright green face paint, a large prosthetic nose, and an inflated stomach that he playfully patted for the cameras. He paired the look with tartan red trousers and a simple vest, capturing the character’s swamp-dwelling charm. His wife, Mia Swier, joined in the fun as Puss in Boots, sporting a black cape, boots, and a feathered hat, complete with feline whiskers and a mischievous grin. The duo’s costumes paid homage to the animated series, and their photos together sparked a wave of nostalgia online, with fans editing them into Shrek memes that spread like wildfire across social media.
Criss’s commitment to the role, including his exaggerated poses, was lauded by outlets and users alike, contributing to the event’s viral momentum.
Beauty influencer James Charles brought a dose of classic horror to the party with his interpretation of the Headless Horseman from Washington Irving’s legend. Charles appeared on the carpet carrying a realistic replica of his own head, complete with detailed makeup that made it look severed and lifelike. He wore a period-appropriate 1700s jacket, cape, and boots, blending historical accuracy with modern gore. To prepare, Charles filmed a makeup tutorial for the “head” accessory, which he shared on TikTok and Instagram, amassing over a million views in the first day alone. The video detailed the hours of work involved, from prosthetics to special effects, inspiring fans to recreate simpler versions at home. His arrival echoed Jared Leto’s 2019 Met Gala stunt, but Charles added his signature flair with flawless contouring on the detached head. Social media buzzed with reactions, from praise for his creativity to humorous comments about the “headless” selfies he posted from the event.
The costume’s eerie vibe perfectly fit the party’s theme, and clips of him “losing his head” on the carpet went viral, trending on X with users sharing edits and fan art.
The guest list was packed with other notable figures who didn’t hold back on their ensembles. Rapper Ice-T channeled a slasher villain in a red hooded jumpsuit, his face obscured by a blood-splattered white mask, and he carried an array of fake weapons for added menace. His wife, Coco Austin, matched the horror theme as the Bride of Chucky, rocking a bright red wig, a denim bodysuit emblazoned with “Wanna play?”, and a striped turtleneck that evoked the doll’s chaotic energy. Their couple’s costume drew cheers from the crowd and sparked discussions online about iconic horror pairs. Olympic rugby star Ilona Maher opted for a more glamorous approach, dressing as a vintage Barbie in a strapless sparkly black gown by Undone by Kate, accessorized with black opera gloves, a chunky gold necklace, and even a tiny Barbie doll prop. She posed with a handkerchief reading “Beast. Beauty. Brains. Barbie,” emphasizing empowerment alongside whimsy.
Maher’s look resonated on social media, with athletes and fans alike celebrating the blend of strength and femininity.
Beyond the individual costumes, the party’s atmosphere amplified its viral appeal. Held amid a backdrop of sponsors like Butterfinger and Hulu, the event featured themed decorations, live performances, and interactive elements that encouraged sharing. Attendees like Charli D’Amelio, Julia Fox, and Jonathan Van Ness added to the diversity, with outfits ranging from futuristic aliens to classic witches, each capturing unique twists that fueled online conversations. Klum’s history of extravagant costumes—from her 2022 worm to previous alien transformations—set the bar high, and 2025’s Medusa lived up to the hype, inspiring countless imitations and tutorials. Social media platforms saw a surge in user-generated content, with everyday people recreating the looks using affordable materials, extending the party’s reach far beyond New York.
The virality wasn’t just about the visuals; it was the stories behind them. Klum revealed in interviews that her Medusa transformation took months of planning and involved cutting-edge prosthetics to make the snakes move. Similarly, Charles’s behind-the-scenes content humanized the glamour, showing the “ungodly” amount of time and money invested. Criss, known for his theatrical background, brought humor to the forefront, reminding everyone that Halloween is about fun amid the frights. As photos flooded feeds, celebrities like Demi Lovato and Megan Thee Stallion, who hosted their own events, chimed in with compliments, creating a web of cross-promotions that kept the buzz alive well into November.
In a year where pop culture leaned heavily into fantasy reboots and horror revivals, Klum’s bash served as the ultimate convergence point. The epic costumes, from Criss’s ogre to Charles’s horseman, not only entertained but also sparked creativity worldwide. As the night wrapped up, the internet was ablaze with memes, reactions, and aspirations for next year’s event, solidifying Heidi Klum’s reign over spooky season. With over 700 words of coverage already dedicated across media outlets, it’s clear this Halloween bash will be remembered as one for the ages.
