51 best celebrity Halloween costumes of 2024: Hailey and Justin Bieber (and baby Jack!), Shania Twain, Eugenie Bouchard & more

Halloween may be over — but that didn't stop celebrities from rolling out some seriously epic Halloween costumes over the weekend. Whether attending a Hollywood bash or simply stunting for social media, actors and musicians upped the ante with multiple costumes and incredible attention to detail.

We've gathered a list of some of the can't-miss Halloween costumes from some of our favourite stars who went all out for Halloween. Keep reading to see more memorable looks from Hollywood's biggest names.

Hailey Bieber, Justin Bieber and baby Jack

The Biebers took to Instagram to show off their adorable Kim Possible family costume. Hailey dressed as the titular character, with husband Justin dressed as her partner Ron Stoppable. As for baby Jack? He was outfitted in a pink onesie — portraying Ron's pet, a naked mole rat named Rufus.

Eugenie Bouchard

If you feel like you've already seen the Canadian athlete step out in a Halloween costume, you're not wrong — last week she dressed up as Cher Horowitz. She stepped out again on the weekend in a "Dirrty"-era Christina Aguilera costume.

Kendall and Kylie Jenner

Hey now, hey now, this is what dreams are made of! The sisters paid tribute to 2003's The Lizzie McGuire Movie by dressing up as Lizzie McGuire and Isabella Parigi, both played by Hilary Duff in the movie.

Shania Twain

There were tons of Shania Twain Halloween costumes — but Shania herself opted for something a bit different. The Canadian singer posted a video of her hilarious ketchup costume to Instagram.

Lupita Nyong'o

Nyong'o looked incredible dressed as Storm from the Marvel universe. She wore a black bodysuit, icy white wig and wore coloured contacts to complete the look.

Sabrina Carpenter

It's the most wonderful time of the year — if you're Sabrina Carpenter, at least. "Me November 1st," the singer captioned an Instagram photo of her in a cute igloo costume.

Heidi Klum

Heidi Klum and her husband, Tom Kaulitz celebrated "Heidi Halloween" with an out of this world costume. The supermodel's elaborate E.T. the Extra Terrestrial costume featured elaborate prosthetics and impressive animatronics.

Kourtney Kardashian and Travis Barker

Kardasian and Barker win the award for most on-brand couples costume with their Morticia and Gomez Addams ensembles.

Kim Kardashian

Kardashian looked unrecognizable as an albino alligator that featured incredible special FX makeup.

Selena Gomez and Benny Blanco

Gomez and rumoured fiancé Benny Blanco aced their costumes as Alice and the Mad Hatter from Alice in Wonderland.

Paulina Gretzky

Gretzky's "extra dirty" martini costume was proof you can shop your own closet and come up with something creative for Halloween.

Kendall Jenner and Kylie Jenner

The famous sisters paid homage to The Lizzie McGuire Movie with their Halloween costumes.

Christie Brinkley

Brinkley opted for a colourful wig and oversized shoes for her clown ensemble.

Jessica Simpson

Simpson channelled Dolly Parton in a "Coat of Many Colours" with a Barbie-esque twist.

Nicole Scherzinger

Scherzinger's Norma Desmond costume worked overtime as a Halloween look for the singer who's currently starring on Broadway in "Sunset Boulevard."

Kendall Jenner and Hailey Bieber

The best friends channeled Paris Hilton and Nicole Riche from their early aughts TV series "The Simple Life."

Elsa Hosk

Model Elsa Hosk did her best Princess Diana with her take on the late royal's infamous revenge dress.

Summer McIntosh

The Canadian Olympic swimmer dressed as Sporty Spice for a Spice Girls group costume with her pals.

Kelly Clarkson

The singer and daytime television host looked unrecognizable as the mischievous ghost, Beetlejuice.

Shay Mitchell

Leave it to Mitchell to make a last-minute costume look effortless. The Canadian actress and Beis founder recycled an old Halloween costume and a $20 wig to channel one of Batman's nemeses, Poison Ivy.

Molly Carlson

The Canadian Red Bull world champion high diver delighted fans with her trio of Harry Potter-themed costumes.

Lizzo

Lizzo was gunning for the title of Queen of Halloween by sharing a collection of cutting-edge costumes to social media. The "About Damn Time" singer kicked off her Halloween celebration by dressing as "Lizzo, a diet supressor," poking fun at South Park's dig at the singer and her self-love message.

In addition to dressing up as a credit card and "Honey Bunny" the 36-year-old donned an impressive Edward Scissorhands costume.

"It’s a strange year, there’s a lot of anxiety and anticipation in the air," Lizzo captioned her most recent costume post. "I hope my costumes and shenanigans brought a little joy this year. I do this because it’s fun but I also do this because as an entertainer and artist I want to uplift the people."

Jennifer Garner

Garner celebrated Halloween by reprising her role as Jenna Rink from the 2004 film, 13 Going on 30.

Eugenie Bouchard

Canadian tennis star Eugenie Bouchard opted for Cher's infamous yellow plaid ensemble from the 1995 cult classic Clueless. From the knee-highs to the white fuzzy backpack, Bouchard totally aced the look!

Tessa Virtue and Morgan Rielly

Virtue and Rielly went full throttle with their Beetlejuice couples costume at the Toronto Maple Leafs Halloween party.

Amelia Dimoldenberg

The "Chicken Shop Date" star traded in her nuggets for a job in administration at Monsters Inc.

Halle Berry

Berry channelled her inner sorceress by celebrating "International Black Cat Day" with her feline friend in a festive Halloween setting.

Paris Hilton

Hilton paid homage to her pal and pop icon by channeling her school girl look from her debut single, "Baby... One More Time."

Paris Hilton

Before putting on her school girl uniform, Hilton traded in her signature blonde locks for a black wig for her Mia Wallace costume from the film Pulp Fiction.

Halle Bailey

Bailey donned Halle Berry's infamous orange bikini from the 2002 Bond film, Die Another Day.

Chlöe Bailey

Like her sister, Chloe Bailey looked to another fictional character for her Halloween costume inspiration: Jessica Rabbit.

Kerry Washington, Tony Goldwyn and Scott Foley

The Scandal alums paid tribute to another on-screen love triangle by dressing up as characters from Luca Guadagnino's Challengers.

Olivia Culpo and Christian McCaffrey

Newlyweds Olivia Culpo and San Francisco 49ers player Christian McCaffrey looked adorable as Dorothy and the Tin Man from The Wizard of Oz.

Cheryl Hickey

Hickey asked fans to help her choose a costume for a good cause. The Canadian television personality acted as judge for the Toronto Sick Kids Hospital Halloween parade.

Sophie Turner

Turner let loose at a Halloween party as Trinity from The Matrix in a latex catsuit and trench coat.

Janelle Monáe

Singer and actress Janelle Monáe looked unrecognizable as "E.T. the Extra Terrestrial" in an elaborate photoshoot.

Zooey Deschanel and Jonathan Scott

Scott's Wolverine costume is instantly recognizable, while the Deschanel star opted for something a little more niche. The New Girl star dressed up as Real Housewives of Salt Lake City star Angie Katsanevas with her Bravo-approved Bo Peep ensemble.

Ciara

Singer Ciara strutted her stuff as Naomi Campbell in an animal print lace catsuit.

Jillian Harris

Canadian designer and influencer Jillian Harris transformed into Ursula from The Little Mermaid with her family for an elaborate family costume.

Winnie Harlow

Model Winnie Harlow celebrated "HalloWinnie" by dressing as music icon Diana Ross.

Sabrina Carpenter

The "Short n' Sweet" singer showed off several costumes during her most recent concert including Tinkerbell, a Playboy bunny and Sandy from Grease.

Neil Patrick Harris

Neil Patrick Harris and husband David Burtka dressed up as music legends alongside their children, 14-year-old twins Harper and Gideon. The family created an elaborate recording studio photoshoot that featured Harris dressed as David Bowie, Burtka as Elvis Presley, daughter Harper as Madonna and son Gideon as Elton John.

Perrie Edwards

The Little Mix singer and her son won Halloween in their Lady Gaga and Bruno Mars "Die With a Smile: costume.

Tyla

Singer Tyla opted for a nostalgic costume by dressing up as Halle Berry's character "Sharon Stone" in the 1994 movie The Flintstones.

Victoria Monet

Singer Victoria Monet's Michael Jackson-inspired costume earned major points for creativity.

Alec Baldwin

Alec and Hilaria Baldwin's brood celebrated Halloween by coordinating in "Where's Waldo?" outfits.

Melissa Grelo

The Social's Melissa Grelo went for a witchy costume this year. The Canadian television host wore an elaborate Maleficent look from Disney's Sleeping Beauty.

Jennifer Finnigan

Canadian actress Jennifer Finnigan and her family went for a playful SpongeBob SquarePants enspired costume for Halloween.

Jamie Otis

Mom-of-four Jamie Otis went for a Dr. Seuss family costume featuring her newborn twins.

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