All the Best Celebrity Halloween Costumes of 2023

From glam to gore to Barbiecore, your favorite stars understood the assignment.

It's the most wonderful time of the year for anyone looking to see their favorite celebs out of their usual red carpet finery and into something a little more sinister (and fun). This year, Halloween falls on a Tuesday, giving Hollywood's biggest and brightest an entire Halloweekend to show off their best looks. From movie throwbacks (sorry not sorry to the SAG strike, if you're Megan Fox) to out-of-this-world 'fits from your favorites, there's no shortage of costume inspiration and appreciation to be had this year.

Of course, leave it to the stars to also show some not-so-attainable outfits, which may or may not involve an entire team of pros to pull off the ensemble (looking at you, Meg). Ahead, check out all of our favorite looks from Halloweekend 2023, from the sweetest homages you've ever seen to the scary, scream-inducing, and everything between.

Related: 21 Clever 2023 Halloween Costume Ideas You Can Pull Off

Megan Thee Stallion

Everyone's no. 1 hot girl coach traded in her usual wardrobe of barely-there stage costumes for a Halloween getup that may just be one of our favorites, ever. Megan Thee Stallion (née Megan Pete) hosted her own party dressed as one of the not-so-friendly flowers from Alice in Wonderland.

Renée Rapp

If anyone knows whether or not blondes have more fun, it's Pamela Anderson, one of the most iconic blondes of all time. That could be why Renée Rapp chose the Baywatch babe as her costume, throwing it way back to one of Anderson's most iconic looks.

Kelsea Ballerini

Before Halloweekend even kicked off, Keslea Ballerini put on her best Barbie 'fit to celebrate with The Original Donut Shop Coffee at NYC's Beauty & Essex.

Megan Fox and Machine Gun Kelly

Megan Fox and MGK didn't just have one costume this weekend. Attending Vas Morgan and Michael Braun's Halloween Party, the pair slipped into some sinister-looking costumes that pulled inspo from the beloved anime Death Note.

Megan Fox and Machine Gun Kelly

Even though the actors strike outlined that stars shouldn't dress up as anything that could be considered promoting a film project, Megan Fox and Machine Gun Kelly paid homage to Quentin Tarantino's 2003 movie, Kill Bill: Volume 1  to the annual Casamigos Halloween Party. Fox even tagged the Screen Actors Guild on her Instagram post.

Paris Hilton

The Annual Casamigos Halloween Party didn't have just one Britney, it had three. Paris Hilton opted for one of the superstar singer's most iconic looks from the music video for "Toxic."

Jessica Alba

Model Kelly Sawyer Patricof opted for Brit's breakout look from "... Baby One More Time" and like Paris, her friend Jessica Alba also channeled "Toxic."

Rande Gerber and Cindy Crawford

Rande Gerber and Cindy Crawford are the ones that we want. The duo wore costumes from the classic film Grease.

Finneas and Justin Bieber

Finneas and Justin Bieber were also in attendance at the Casamigos party.

Austin Butler and Kaia Gerber

It couple Austin Butler and Kaia Gerber attended Cindy and Rande's party, too, giving a bit of a '60 Pop Art twist to Halloween.

Demi Lovato

Once a Disney star, always a Disney star. Demi Lovato arrived at Vas Morgan and Michael Braun's Halloween Party dressed as Snow White.

Justin Bieber and Hailey Bieber

Justin Bieber and Hailey Bieber, on the other hand, took a detour to Bedrock with their Flintstones looks.

Kourtney Kardashian Barker and Travis Barker

Beetlejuice, Beetlejuice, Beetlejuice. Kourtney Kardashian Barker and Travis Barker dressed up as everyone's favorite Tim Burton couple.

"I’m the ghost with the most, babe," she captioned the shots.

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