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Hailey and Justin Bieber (and baby Jack!), Shania Twain, Eugenie Bouchard and more

Hailey and Justin Bieber (and baby Jack!), Shania Twain, Eugenie Bouchard and more

Halloween may be over, but it didn’t stop celebrities of rolling out a seriously epic story Halloween costumes during the weekend. Whether attending a Hollywood party or simply stunting for social media, actors and musicians have raised the bar with multiple costumes and incredible attention to detail.

We’ve put together a list of some of the must-see Halloween costumes from some of our favorite stars who pulled out all the stops for Halloween. Keep reading to see more memorable looks from Hollywood’s biggest names.

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

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 as Cher Horowitz. She stepped out again this weekend in a “Dirrty” era Christina Aguilera costume.

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

Kendall and Kylie Jenner paid tribute to The Lizzie McGuire Movie for Halloween. (Photo via Instagram/kyliejenner)Kendall and Kylie Jenner paid tribute to The Lizzie McGuire Movie for Halloween. (Photo via Instagram/kyliejenner)

Kendall and Kylie Jenner paid tribute to The Lizzie McGuire Movie for Halloween. (Photo via Instagram/kyliejenner)

There were countless Shania Twain Halloween costumes, but Shania herself opted for something different. The Canadian singer posted a video of her hilarious ketchup costume on Instagram.

Nyong’o looked fantastic dressed as Storm from the Marvel Universe. She wore a black bodysuit, an icy white wig and colored contact lenses to complete the look.

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

Heidi Klum and her husband Tom Kaulitz celebrated “Heidi Halloween” with an out-of-this-world costume. The supermodel has expanded ET the extraterrestrial costume featured elaborate prosthetics and impressive animatronics.

Tom Kaulitz (left) and Heidi Klum (right) attend Heidi Klum's annual Halloween party in New York. (Images via Getty Images)Tom Kaulitz (left) and Heidi Klum (right) attend Heidi Klum's annual Halloween party in New York. (Images via Getty Images)

Tom Kaulitz (left) and Heidi Klum (right) attend Heidi Klum’s annual Halloween party in New York. (Images via Getty Images)

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

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

Gomez and rumored fiancé Benny Blanco donned their costumes as Alice and the Mad Hatter Alice in Wonderland.

Gretzky’s “extra dirty” martini costume was proof that you can shop your own closet and come up with something creative for Halloween.

Paulina Gretzky dressed as Paulina Gretzky dressed as

Paulina Gretzky dressed up as an “extra dirty” martini for Halloween. (Images via Instagram/@paulinagretzky)

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

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

Simpson channeled Dolly Parton in a “Coat of Many Colors” with a Barbie-esque twist.

Scherzinger’s Norma Desmond costume worked overtime as a Halloween look for the singer who is currently starring on Broadway in “Sunset Boulevard.”

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

Kendall Jenner and Hailey Bieber as Paris Hilton and Nicole Richie. (Image via Instagram/@haileybieber)Kendall Jenner and Hailey Bieber as Paris Hilton and Nicole Richie. (Image via Instagram/@haileybieber)

Kendall Jenner and Hailey Bieber as Paris Hilton and Nicole Richie. (Image via Instagram/@haileybieber)

Model Elsa Hosk did her best Princess Diana with her version of the late royal’s infamous revenge dress.

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

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

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

Canada’s Red Bull world high diving champion delighted fans with her trio of Harry Potter-themed costumes.

Lizzo aspired to the title of Queen of Halloween by sharing a collection of cutting-edge costumes on social media. The “About Damn Time” singer kicked off her Halloween party by dressing up as “Lizzo, a diet suppressant,” poking fun at The one from South Park delve into the singer and her message of self-love.

Besides dressing up as a credit card and “Honey Bunny,” the 36-year-old, pulled off an impressive impression Edward Schaarhands costume.

“It’s a strange year, there’s a lot of fear and anticipation in the air,” says Lizzo subtitled her most recent costume post. “I hope my costumes and tricks have brought a little joy this year. I do this because it’s fun, but I also do this because as an entertainer and performer I want to uplift people.”

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

Canadian tennis star Eugenie Bouchard opted for Cher’s infamous yellow plaid ensemble from the 1995 cult classic No idea. From the knee-high socks to the white fluffy backpack, Bouchard was totally into the look!

Virtue and Rielly went full throttle with them Beetle juice couples costume at the Toronto Maple Leafs Halloween party.

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

Berry channeled her inner sorceress by celebrating “International Black Cat Day” with her feline friend in a festive Halloween setting.

Hilton paid tribute to her friend and pop icon by channeling her schoolgirl look from her debut single “Baby… One More Time.”

Before donning her schoolgirl uniform, Hilton traded her signature blonde locks for a black wig for her Mia Wallace costume from the film Pulp Fiction.

Bailey wore Halle Berry’s infamous orange bikini from the 2002 Bond film, Die another day.

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

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

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

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

Turner let loose at a Halloween party where Trinity came out The Matrix in a latex catsuit and trench coat.

Singer and actress Janelle Monáe looked unrecognizable as “ET the Extra Terrestrial” in an extended photo shoot.

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

Singer Ciara showed up as Naomi Campbell in a lace catsuit with animal print.

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

Model Winnie Harlow celebrated “HelloWinnie” by dressing up as music icon Diana Ross.

The “Short n’ Sweet” singer showed off several costumes during her most recent concert, including Tinkerbell, a Playboy bunny and Sandy from Fat.

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 photo shoot in the recording studio with Harris dressed as David Bowie, Burtka as Elvis Presley, daughter Harper as Madonna and son Gideon as Elton John.

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

Singer Tyla opted for a nostalgic costume by dressing up as Halle Berry’s character “Sharon Stone” in the 1994 film The Flintstones.

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

Alec and Hilaria Baldwin’s brood celebrated Halloween by coordinating in “Where’s Waldo?” outfits.

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

Canadian actress Jennifer Finnigan and her family opted for a playful SpongeBob SquarePants-inspired costume for Halloween.

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

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