Not only did Bey channel her inner Toni Braxton this Halloween, but she also slipped into Lycra to become famed track-and field-star Florence Griffith Joyner, better known as FloJo. (Photo: Beyoncé via Instagram)

There was room for two Olympians in their household. The rapper dressed up as sprinter Tommie Smith — and re-created his black-power salute on the podium at the 1968 Olympics. (Photo: Beyoncé via Instagram)

Klum is known for her elaborate costumes, which tend to be more like disguises. You can hardly tell it’s her! This year she wore a couple’s costume with boyfriend Tom Kaulitz: They were Shrek characters Shrek and Princess Fiona. (Photo: Taylor Hill/FilmMagic)

GP and her new hubby, Brad Falchuk, must have closely studied Bradley Cooper and Lady Gaga in A Star Is Born because they nailed it. (Photo: Brad Falchuk via Instagram)

It can’t be easy to choose a stand-out Halloween costume when you dress up for roles in movies such as Black Panther and Star Wars on the daily. Nyong’o did it, though, by dressing up as Dionne from Clueless for Heidi Klum’s annual fete. (Photo: Craig Barritt/Getty Images for Svedka Vodka)

In one of the more interesting costume choices, Simpson and her husband, Eric Johnson, donned suits familiar to fans of ’80s movies. They’re modeled on the ones worn by the characters Danny DeVito and Arnold Schwarzenegger played in the comedy Twins. (Photo: Jessica Simpson via Instagram)

The comedian and her new hubby, chef Chris Fischer, did the couple thing too. Here they are as Siegfried and Roy. (Photo: Amy Schumer via Instagram)

Oh, this didn’t go over well. The singer took a jab at old pal Victoria Beckham, who is the lone holdout for a Spice Girls reunion. Her sign says: “No I am not going on tour.” Her BFF, Gary Madatyan, was David. (image: Mel B via Instagram)

The Keeping Up With the Kardashians stars — from left, Kourtney Kardashian, Kim Kardashian, Kylie Jenner, Kendall Jenner, and Khloé Kardashian — had everything but the runway that they needed to look like a certain recognizable group of winged models for Halloween. “Thank you @VictoriasSecret for sending us actual runway looks and real wings to borrow for the night!!!” Kim raved. “OMG a dream come true! Got to be a Victoria Secret Angel for the night! And Kendall got good practice lol. (Photo: Kim Kardashian via Instagram)

The Kardashians have lots of time of Halloween. One of Kim K.’s many costumes was Pamela Anderson circa the Tommy Lee era. (Photo: Kim Kardashian via Instagram)

On Stormi’s first Halloween, she has worn at least three costumes including this. “Stormi Weather,” wrote Kylie. (Photo: Kylie Jenner via Instagram)

Did we mention the KarJenners had a lot of time for Halloween this year? Kylie also lived the plastic life as Barbie. (Photo: Kylie Jenner via Instagram)

The actress starred in her own sequel. “#frozen2,” wrote the woman who voiced Anna in the Disney flick, adding, “Otherwise know as the SECOND year in a row my daughter demanded I be Elsa to match her.” (Photo: Kristen Bell via Instagram)

The costumed Spring Breakers actress, who’s admittedly a bit obsessed with Halloween, cuddled up with Hollywood actor Mannix the Dog during her festivities. She noted that her full-latex costume made her companion “a little uncomfortable.” (Photo: Vanessa Hudgens via Instagram)

Remind you of something? Queen Bey paid tribute to singer Toni Braxton — specifically her look for the 1993 single “Another Sad Love Song” — with her costume. “Sending love and adoration to one of our talented legends,” Beyoncé captioned a photo of it. Braxton was a fan and responded, in part, “Thanks for the love sis.” (Photo: Beyoncé via Instagram)

Although Carey was scheduled to perform in Tokyo on Halloween, she found time to put on a sexy nurse costume. Boyfriend Bryan Tanaka played her doctor sidekick. (Photo: Mariah Carey via Instagram)

The newly single rap mogul was ready to take off at the Casamigos Halloween party on Friday night in Beverly Hills. (Photo: Kevin Mazur/Getty Images for Casamigos)

The Oscar-winning actress and her country star husband hugged up in their very different costume choices. It was all in the name of “Halloween fun!” (Photo: Nicole Kidman via Instagram)

Millie Bobby Brown shared a photo taken with her co-stars, including Noah Schnapp’s take on her character, Eleven, from their spooky show. (Photo: “Stranger Things” via Instagram)

The star of Beetlejuice and his bride, Lydia, are aging well, aren’t they? (Photo: Craig Barritt/Getty Images for Svedka Vodka)

Did you expect Garner to look anything other than spooky on Halloween? The Camping star gave off wicked vibes during a demo of her recipe for tomatillo salsa. (Photo: Jennifer Garner via Instagram)

It was a family costume — with a Lego theme — for the pair and their 3-year-old son, Silas. Dad was Robin, Mom was Harley Quinn, and the tot was Batman — and we wouldn’t dare mess with any of them. (Photo: Justin Timberlake via Instagram)

As part of the festivities on Today, Kotb and Guthrie went as Elton John and Cyndi Lauper. The theme for the Halloween show was “Totally ’80s.” (Photo: Nate Congleton/NBC News’ “Today”)

Great Scott! It’s Marty McFly and Doc Brown, from Back to the Future, courtesy of the Today stars. (Photo: Nate Congleton/NBC News’ “Today”)

The noted Disney fans and their 8-year-old twins, Gideon and Harper, dressed up as the spooktacular residents of the Haunted Mansion. “Welcome, foolish mortals,” Burtka wrote in a take on a recording that plays before the ride. “We hope your Halloween is happily haunted, but heed this warning: beware of Hitchhiking Ghosts!” (Photo: David Burtka via Instagram)

Jenner and her 8-month-old baby girl, Stormi, were matching butterflies. (Photo: Kylie Jenner via Instagram)

Kylie’s sister caught up with George Clooney and Rande Gerber’s tequila label, Casamigos, during the brand’s second night of partying, this time in Las Vegas. The model went with an Austin Powers-themed costume.
(Photo: Getty)

It’s OK if you thought this was Post Malone, because Ora’s fans were even surprised at how much she looked like the rapper when she wore this look over the weekend at one of her London concerts. “Ima get Halloween started for you the right way… postttyyyyyy I LOVE YOU BRO,” Ora captioned the photo. (Photo: Rita Ora via Instagram)

“Wakanda Forever,” Black Panther fan Ciara captioned a snapshot of her costume. She showed some love to Nakia, the character Lupita Nyong’o played in the blockbuster Marvel movie. (Photo: Ciara via Instagram)

The Top Chef star paid tribute to Black Swan, while her daughter, 8-year-old Krishna, made for a perfect Maleficent. (Photo: Padma Lakshmi via Instagram)

On Wednesday’s The Ellen DeGeneres Show, the hostess with the mostest went as a contestant on The Bachelor. The This Is Us star stood in as the prize. (Photo: Ellen DeGeneres via Instagram)

While Jonas made headlines for dressing up like his fiancée’s Game of Thrones character at a pre-Halloween party (while she was an elephant), on the big night they were in sync as Gomez and Morticia Addams — with a cameo from Thing. (Photo: Joe Jonas via Instagram)

With a little help from co-host Seacrest and her husband, Ripa played a scene inspired by I Love Lucy on the Halloween episode of Live With Kelly and Ryan. (Photo: Live With Kelly and Ryan via Instagram)

The designer and co-founder of the Little Market recruited her 1-year-old son, Liam, to help her recreate the look of the main character in the Alfred Hitchcock classic, The Birds. “As long as I can, I’m making my son dress up with me,” Conrad told Yahoo Entertainment in September. “I feel like I’ve got maybe two or three years out of him, maybe two?”
(Photo: Lauren Conrad via Instagram)

You know the Good Morning America host pities the fool who missed the show’s Halloween episode. His tribute to Mr. T was a highlight. (Photo: Paula Lobo/ABC via Getty Images)

The devil went down to … the Just Jared Halloween bash in L.A., in the form of the Queen rocker.
(Photo: Rodin Eckenroth/Getty)

The Modern Family actress and her beau, Levi Meaden, did their best impression of famous former flames Pamela Anderson and Kid Rock.
(Photo: Ariel Winter via Instagram)

“Tomorrow we’re heading to Wakanda,” the Black-ish stars captioned this snapshot of their Black Panther looks. (Photo: “Black-ish” via Instagram)

Justice made it simple to figure out her creepy costume: a Ouija board. It’s written right there on her neck. (Photo: Rodin Eckenroth/Getty Images)

The “Flintstones” costume that Alba coordinated with her friend Kelly Sawyer is a true classic.
(Photo: Jessica Alba via Instagram)

Whoa! Styles made a seriously convincing 1975-era Elton John, right down to the oversized shades and the shimmering baseball uniform he wore for a pair of historic performances at L.A.’s Dodger Stadium.
(Photo: Kevin Mazur/Getty Images for Casamigos)

George Clooney, right, supermodel Cindy Crawford, and her husband Rande Gerber made up the crew on a Saturday flight to Las Vegas for a second night of Casamigos partying. Gerber and Clooney are both co-founders of the brand.
(Photo: Getty Images)

The Riverdale co-stars enjoyed some Napoleon Dynamite!
(Photo: Camila Mendes via Instagram)

No doubt Union was impersonating Gwen Stefani in the 1996 video for “Spiderwebs,” for a ’90s-themed birthday bash on Hallowen weekend. She did such a fly job — remember that word?! — that Stefani complimented her.
(Photo: Gabrielle Union via Instagram)

Here’s a creative costume idea, thanks to the Modern Family star and her former Bachelorette contestant boyfriend. They were Belle, from Disney’s Beauty and the Beast, and a taco. Taco Belle. Get it?
(Photo: Rodin Eckenroth/Getty Images)

The Empire star threw it way back in a costume inspired by ’70s TV show Get Christie Love!
(Photo: Taraji P. Henson via Instagram)

“Fav costume of all time ever,” the singer wrote under a photo that showed off her tiny costume. She was, of course, Poison Ivy, from Batman’s world, at the Gotham City-themed Halloween soirée that she hosted. (Photo: Halsey via Instagram)

The rapper skipped his ex Halsey’s party, but he dressed as Gotham City villain Two-Face for another Halloween fete.
(Photo: G-Eazy via Instagram)

Make sure to watch out for vampires, like the Big Little Lies actress, roaming the streets this Halloween.
(Photo: Zoë Kravitz via Instagram)

The musical couple went as the Joker and Harley Quinn at Halsey’s Gotham City party.
(Photo: Ty Dolla Sign via Twitter)

Batman is back, and he’s been sighted in Philadelphia! Smith dusted off one of his superhero costumes for Sixth Sense director M. Night Shyamalan’s Halloween party. (Photo: Gilbert Carrasquillo/GC Images)

The socialite was a sexy Furby. Don’t ask, but it was cute!
(Photo: Michael Kovac/Getty Images for Casamigos)

In a genius move, the former Jo Bro dressed as his fiancée’s Game of Thrones character. Turner took a night off from playing Sansa Stark and went as an elephant.
(Photo: Backgrid)

Greene gave some love to Robin Hood.
(Photo: Rodin Eckenroth/Getty)

Legend and daughter Luna were adorable, as usual.
(Photo: John Legend via Instagram)

The Real Housewives of Beverly Hills star got real, dressing as her co-star, Erika Jane.
(Photo: Lisa Rinna via Instagram)

Munn dressed as her favorite character from the new movie Crazy Rich Asians.
(Photo: Olivia Munn via Instagram)

Punky Brewster fans will recognize the talk show host’s colorful costume.
(Photo: Ryan Seacrest via Instagram)

The former star of Buffy the Vampire Slayer slayed her Harley Quinn costume.
(Photo: Sarah Michelle Gellar via Instagram)

The Conjuring actress Joey King channeled Harry Potter bad guy, Voldemort.
(Photo: Rodin Eckenroth/Getty)

Rock on! Myers made for a cool Johnny Ramone. (Photo: Craig Barritt/Getty Images for Svedka Vodka)

Dobrev had a funny take on A Star Is Born.
(Photo: Michael Kovac/Getty Images for Casamigos)

Howdy there! The daughters of Bruce Willis and Demi Moore sported western ensembles.
(Photo: Rodin Eckenroth/Getty Images)

The family of the Jersey Shore star chose to dress as characters from Disney’s Moana, because it’s 4-year-old daughter Meilani’s favorite. Looks like JWoww and husband Roger Mathews are still keeping their split amicable…
(Photo: Roger Mathews via Instagram)

If you feel like you’re seeing something out of American Horror Story right now, that’s by design. Osbourne dressed as the Coven character Myrtle Snow for a party on Saturday, which was also her 34th birthday.
(Photo: Rodin Eckenroth/Getty Images)

The supermodel and her brood — husband Rande Gerber and teens Kaia and Presley — really partied like rock stars on the first night of the Casamigos celebration. Recognize anyone?
(Photo: Cindy Crawford via Instagram)

Over at The View, hosts Abby Huntsman, Joy Behar, Whoopi Goldberg, Meghan McCain, and Sunny Hostin tried on a medley of looks, including characters from Frozen and Black Panther. (Photo: “The View” via Instagram)