Leni Klum, Charli D'Amelio and More Stars' Terror-ific Costumes at Heidi Klum's Halloween Party

The Queen of Halloween's iconic celebration is more spooktacular than ever. 

Heidi Klum's 23rd Annual Halloween Party kicked off at the Hard Rock Hotel in New York City on Oct. 31, and the stars who showed out for the event are already turning heads with their impressive costumes. 

Take Bethenny Frankel, who stepped out dressed as Wonder Woman for the celebration at the hotel's The Venue on Music Row. Rocking the iconic red, white and blue leotard ensemble, the Real Housewives alum even adopted the superhero's signature fighting pose, crossing her arms in front of her chest as she walked the carpet. 

And that wasn't the only costume to make jaws drop at the holiday gathering. Joey Graceffa also stunned while posing for the cameras ahead of the outing by arriving as Mr. Tumnus from the fantasy series The Chronicles of Narnia.

Meanwhile, Heidi's daughter Leni Klum was unrecognizable with antennae and goggles for an alien effect, while Charli D'Amelio channeled Natalie Portman as a ballerina in the 2010 movie Black Swan.

And although celebs are certainly putting on a show while walking this year's carpet, there will be plenty of entertainment inside the event as well. For one, guests will get to do the monster mash during DJ sets by Questlove, Gottmik & Violet and the iconic purple dinosaur Barney. Plus, toy company Mattel set up an interactive photo op, as well as Magic 8 Ball fortune teller and UNO magician activations. 

"It takes a long time," Heidi told People in an interview published Sept. 18. "It takes a lot of planning."

And it's not only the costume that she's strategic about. Heidi—whose husband Tom also went all out with an E.T. ensemble at the 2024 event—also puts a lot of thought into her reveal on the big day.

"It takes a long time," Heidi told People in an interview published Sept. 18. "It takes a lot of planning."

And it's not only the costume that she's strategic about. Heidi—whose husband Tom also went all out with an E.T. ensemble at the 2024 event—also puts a lot of thought into her reveal on the big day.

"When I do the reveal," she explained, "I want to have a special reveal because I know I have so many fans and those particular Halloween fans are people who love also dressing up and coming up with amazing things.”

To see everyone who stepped out for Heidi's 23rd annual Halloween Party, read on... 

The party's hosts didn't need to phone home for reinforcements. After all, they made jaws drop with their ET looks. 

The couple is hopelessly devoted to the holiday, dressed as Danny and Sandy from Grease.

Heidi's daughter followed suit with an other-worldly transformation, covered in white body paint.

Coco put down the hammer on their frightening couples costumes.

The TikToker leaned into her dance roots with a Black Swan 'fit.

The Shark Tank star may have been the hero of the night with her dazzling Wonder Woman costume. 

The Sex and the City star was quite devilish.

The Roots frontman spilled all the tea before stepping into the night's festivities. 

The Olympic gymnast and her sister were on pointe with their twinning attire.

The YouTuber was a total fantasy as Mr. Tumnus from the Chronicles of Narnia. 

The TV personality struck a bewitching pose before heading into the Halloween celebration. 

The TikToker debuted a stunning transformation as Lord Farquaad from Shrek.

The pair looked eerie-sistible while posing for a snap inside the event. 

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