1. Heidi Klum Channels Nostalgia with E.T. Transformation
Heidi Klum delighted fans in 2024 by embracing a nostalgic theme for Halloween, transforming herself into the iconic alien E.T. from Steven Spielberg’s beloved 1982 classic. Embracing the alien’s iconic moment of human dress-up, she added a wig, shawl, and hat—creating a haunting tribute to childhood memories.
Partnering with her husband Tom Kaulitz, who embodied the classic E.T., Klum turned the concept into an unforgettable couples’ costume. Their synchronized costume reinforced her reputation as the queen of Halloween.
2. A Year in the Making: Crafting the Costume of Dreams
Klum’s E.T. The costume was the product of a full year’s worth of thoughtful preparation and detailed planning—it didn’t come together overnight. Inspired by childhood memories and her enduring love for the film, she began conceptualizing almost immediately after last year’s festivities.
This long lead time allowed her to refine every design detail alongside her go-to FX artist, Mike Marino. What ultimately emerged was a seamless blend of imagination and technical precision.
3. Behind the Mask: 30 FX Artists and Advanced Techniques
The costume’s complexity demanded a collaborative effort from 30 FX professionals. They started by digitally scanning Klum and Kaulitz to create custom 3D-printed body parts, then molded and assembled each piece using foam latex and spandex for realistic flexibility.
Adding animatronic elements such as remote-controlled blinking eyes and a moving mouth, the design blurred the line between human and alien. Every detail was airbrushed and blended to create an uncanny, lifelike presence.
4. The Illusion of Miniature E.T.s on Real-Life Legs
To downscale the characters to E.T.’s diminutive size, Klum and Kaulitz used specially designed elevated platforms. This clever illusion gave the appearance that the alien bodies were compact and grounded, rather than human-sized.
The combination of strategic staging, animatronics, and practical effects turned their appearance into a visual magic trick—one that captivated guests and photographers alike.
5. Cameras Roll: Klum Keeps Fans Guessing with Teasers
As customary, Klum dropped subtle hints on social media leading up to Halloween. Teaser posts showed prosthetic molds and cryptic gestures, building anticipation without revealing the final look.
She even shared part of her makeup transformation on Amazon Live, giving fans a behind-the-scenes glimpse without revealing the final look. The mystery added to the spectacle of her final reveal.
6. The Unveiling: A Memorable Entrance at the Heidiween Bash
Arriving at her 23rd annual “Heidiween” party, Klum’s entrance was theatrical and dramatic—aptly themed “out of this world.” As part of the event’s tradition, she once again set the Halloween bar impossibly high.
Her transformation was so striking and immersive that guests and media alike were captivated, barely recognizing her beneath the costume. The costume became the night’s undisputed highlight.
7. One of Her Most Grueling Looks Yet
Despite her extensive experience, Klum revealed that this was among the most physically challenging costumes she’s ever worn. The animatronic headpiece and prosthetics demanded hours of meticulous application and careful maintenance throughout the night.
She humorously prepared by wearing an adult diaper, a practical solution given the difficulty of removing the costume mid-event.
8. Starry Guests and Halloween Highs
The Hard Rock Hotel event drew celebrities like Charli D’Amelio, Rosalía, Kim Kardashian, and Demi Moore in fantastic costumes of their own. It reinforced Klum’s Halloween party as the most anticipated celebrity event of the season.
From nostalgic pop-culture references to elaborate DIY creations, each guest’s look contributed to the night’s creative energy. But all eyes still focused on Klum’s extraterrestrial debut.
9. Why Heidi Klum Keeps Reinventing Halloween
For Klum, Halloween is more than a costume—it’s a creative ritual intended to wow, innovate, and inspire. She has said her goal is always to “surprise people” and elevate the art of transformation.
Her dedication—from design to execution—turns a single-night event into a riveting performance that fans await year-round. It’s the heart and soul behind every elaborate reveal.
10. After-Party: Unwinding and Planning Ahead
Once the party ends, Klum indulges in well-earned self-care: rest, baths, hydration masks, and spa treatments to restore her skin after the extreme makeup.
And as soon as Halloween wraps, her mind is already on 2025’s theme. Creativity never takes a break.