No need to call Hailey Bieber or beep Justin Bieber if you want to see their son Jack's Halloween costume.
The couple—who welcomed their baby boy in August—spent their first All Hallows Eve as parents dressed as Kim Possible and Ron Stoppable from the Kim Possible Disney Channel series, with their 2-month-old serving as the crime-fighting duo's beloved pet Rufus.
In Instagram photos shared on Nov. 1, Hailey channeled the titular spy in a red wig, which she paired with a black crop top, matching gloves and green cargo pants. Meanwhile, her husband of six years acted as the perfect sidekick in a black sweater, gray pants and a black cap.
Both the Rhode Skin founder and the "Baby" singer wore olive-colored utility belts and thick-soled combat boots.
As for their son? He was bundled up in a pink, hooded romper to look the part of a naked mole-rat.
But this wasn't Jack's only Halloween getup. True to his name, the newborn was also seen wearing a Nightmare Before Christmas themed onesie from Posh Peanut featuring images of Jack Skellington in a second Instagram post.
His parents capped off the terror-ific look with tiny white socks.
And Hailey certainly had a lot of fun dressing up this spooky season. After all, she and BFF Kendall Jenner also channeled Nicole Richie and Paris Hilton, respectively, from The Simple Life.
In an Oct. 31 TikTok, Hailey lip-synced to an infamous moment from the early aughts series in which a farmer called the two reality stars "dumb."
"I have respect for myself and this is my best friend, so I have respect for her," she mouthed. "I’m making dead f--king honest right now that if you call me dumb or call her dumb one more time, I don’t care how many steroids you take, how many egg yolks you drink, how many push-ups you do, I’m being dead f--king serious. I will beat your f--king face in."
Hailey's homage even got the seal of approval from Nicole herself, who wrote on Instagram Stories, "I’m obsessed."
Added Paris, "Icons recognize icons."
And to see more iconic Halloween costumes, keep reading.
Dylan Sprouse & Barbara Palvin
The couple got into the spooky spirit at their Halloween bash with Casamigos.
Heidi Klum & Tom Kaulitz
The model and her husband matched as Mr. and Mrs. E.T. at her annual bash in New York City.
Khloe Kardashian
Me-ow! The Kardashians star was the purr-fect black cat for Halloween.
Lupita Nyong’o
The Oscar winner blew into the Broadway opening of Teeth dressed as Storm from X-Men.
Sophie Turner
The Game of Thrones alum channeled The Matrix, writing on Instagram, "Red or blue pill."
Joey King
Try everything? The Kissing Booth actress took that advice seriously, channeling Zootopia's Flash Slothmore.
Kacey Musgraves
The country singer followed her arrow as an armadillo.
Scott Foley, Kerry Washington & Tony Goldwyn
The Scandal costars aced their Challengers group costume.
Katy Perry
With the 2024 U.S. presidential election just days after Halloween, the "Roar" singer reminded Americans about their civic duty with her patriotic costume.
Cardi B
The "WAP" rapper looked red-hot in her Jessica Rabbit costume.
Ashley Tisdale & Christopher French
The High School Musical alum's family—including kids Jupiter and Emerson—were all in this together, dressing up as characters from The Wizard of Oz.
Heather Rae El Moussa & Tarek El Moussa
Love and marriage go together like a horse and carriage. Just ask the HGTV hosts, who dressed as Peggy Bundy and Al Bundy from Married... with Children.
Tyga
The "Rack City" rapper's heart grew three sizes as the Grinch during Darren Dzienciol’s Haunted Hotel presented by Utopia and Casa Azul Organic Tequila, at The Fairmont Century City in Los Angeles.
Selena Gomez & Benny Blanco
Don't be late to check out the pair's Alice in Wonderland couples costume.
Halle Berry
The Oscar winner was feeling witchy with her cat.
Kaley Cuoco & Tom Pelphrey
The Big Bang Theory alum dressed as her fiancé, while he looked the part of the actress in pink. Meanwhile, their daughter Matilda rocked a unicorn costume.
Ed Sheeran
The "Shape of You" singer had the perfect response to the viral AI-generated meme of himself. As he put it on Instagram, "Haters will say its AI #halloweenbruv #feltcutemightdeletelater."
Jennifer Garner
Prepare to be razzle-dazzled after the actress slipped back into her Jenna Rink dress from 13 Going on 30.
Victoria Beckham & David Beckham
Posh Spice and the soccer star wore scary masks to celebrate Halloween with their daughter Harper.
Diane Kruger
The Inglorious Basterds actress was ready for her first day of classes at Nevermore Academy dressed as Wednesday Addams.
Jennifer Love Hewitt
The I Know What You Did Last Summer star slayed with her Lydia Deetz costume.
Alyson Hanningan & Alexis Denisof
"Swifties get me," the Buffy the Vampire Slayer alum joked of her couples costume with her husband, which was a reference to Taylor Swift's "So High School" lyric, "You know how to ball, I know Aristotle."
Kelly Rowland
Halloween was a dog day afternoon for the Destiny's Child singer, who dressed up as Bluey's mom opposite of her son Noah.
Lily Collins
The Emily in Paris star spiced up her Halloween by channeling both Spice Girls' Emma Bunton and Victoria Beckham.
Kat Dennings & Andrew W.K.
The 2 Broke Girls alum and her rocker husband partied hard as a cat and a wizard, respectively.
Halle Bailey & Chloe Bailey
Jinkies and jeepers! The sisters were the perfect mystery solvers as Daphne and Velma from Scooby Doo.
Elizabeth Gillies
The former Nickelodeon star looked unrecognizable as the titular villain in Longlegs.
Camila Cabello
In girl world, the "Havana" singer paid tribute to Mean Girls by wearing Regina George's Halloween costume.
Irina Shayk & Bradley Cooper
The friendly exes dressed as Lara Croft and a wolf, respectively, to take their daughter Lea trick-or-treating.
Gwen Stefani
There was no doubt the "Hollaback Girl" singer was going all out for Halloween, dressing up as Snow White to throw a party.