Hollywood loves Halloween, so it's no surprise that celebs are going all out decorating their homes, planning spooktacular costumes, and scaring the daylights out of themselves at fall bashes across the country. Click through the gallery to see some of the biggest bashes and scariest sights from this year and last.
Carrie Underwood and Mike Fisher
Underwood didn't cry pretty over this eerie filter she used to snap a Halloween selfie with her husband.
Carey's son, Moroccan, loves Eleven from Stranger Things so much that he made his Jack o'Lantern in her image during a pumpkin carving party with his mom, his twin sister, Monroe, and Carey's boyfriend, Bryan Tanaka.
The Desperate Housewives alum dressed her dog, Popeye, up as Chucky, and we laughed so hard it scared us.
Rachael Ray and John Cusimano
The Rachael Ray Show set turned into a spooky speakeasy for Halloween, with the talk show host dressed as a flapper as her husband donned his best '20s attire to help make a candy apple cocktail.
Rumer, Scout and Tallulah Willis
Demi Moore and Bruce Willis' daughters had a fangtastic family night of fun at Universal Studios Hollywood's Halloween Horror Nights.
The Halloqueen got her spook with full zombie face makeup and plenty of black clothes during her Mischief Night performance in Los Angeles.
"All my friends are dead," the cookbook author joked of her skeleton couch companions.
Sara Haines, Keke Palmer and Michael Strahan
The Strahan, Sara and Keke co-hosts rose from the dead on their morning show.
Art imitates reality imitates art? After nearly hitting the ceiling as she wandered through Universal Studios Hollywood's Halloween Horror Nights' Us maze, Nyong'o reprised her role in the thriller to terrify some very unsuspecting visitors.
Can you spot the bad guy?
Evan Ross and Ashlee Simpson Ross
The couple matched in all-black attire at Hennessy Black's Halloween "Salon Noir" Party, a fully immersive experience merging art, sound and cocktails, in Los Angeles.
Even the model's pup is excited for pumpkin season! "Getting spooky at the Kloss household this Halloweekend ??," Kloss wrote.
The "Jesus Got a Tight Grip" singer got into the literal spirit for Halloween, dressing up his pup, Betty, in a custom Smithworks Vodka tractor costume.
Dax Shepard and Kristen Bell
The couple's pre-Halloween weekend festivities were far more comfy than creepy considering they were matching in his-and-hers Batman pajamas!
Asahd Khaled got a delightfully spooky Halloween bazaar-themed third birthday party thrown for him by his parents at the American Airlines Arena in Miami. The event benefited the We the Best Foundation, which was established to support youth, education, music, arts and culture. The foundation announced its first grants under Asahd’s Initiative to Overtown Youth Center and Urban Promise, bringing total donations for the year to $250,000 in support of programs and efforts across metropolitan Miami, New York and the Bahamas.
The English singer was all smiles despite her new demonic pals at Universal Studios Hollywood's Halloween Horror Nights.
The "Black and Yellow" rapper slipped into camo gear to host Oxford Social Club's "Oxford Horror Story: Murder House" Halloween-themed party.
Nicole 'Snooki' Polizzi
Despite the second of Snooki's "Instagram vs real life" snaps for Halloween, we think her youngest son, Angelo, looked pretty darn precious in a crocheted Jack-o-lantern hat and gray shirt that read, "I'm so handsome it's scary."
The singer kept her expression stone cold as she sat amongst the chainsaw-wielding demons at Halloween Horror Nights.
The actor-musician took the stage during the "Pimps and Hoes"-themed Halloween costume party at Poppy in West Hollywood, where host Snoop Dogg, Busta Rhymes and Wiz Khalifa also performed.
Jeremy Scott and Miley Cyrus
Spooky things are kind of the fashion designer and the "Slide Away" singer's jams!
The former Disney darling rocked out with a few creepy creatures at Universal Studios Hollywood's Halloween Horror Nights.
The Take Two actress had a ghoulishly good time at Universal Studios Hollywood's Halloween Horror Nights.
Rexha wasn't afraid of a "last hurrah" while hanging with some of the scare zone's finest neighbors during Universal Studios Hollywood's Halloween Horror Nights.
The GRAMMY winner kept his cool while hanging out with some of the same chainsaw-wielding creatures.
The Beckham boys do Halloween right! The retired soccer pro brought his three sons, Brooklyn, Romeo and Cruz, to the Los Angeles Haunted Hayride for one frightful night. "Boys night out at the Haunted Hayride @lahauntedhayride Amazing as always ?," the proud papa wrote on Instagram.
Drew Scott, Linda Phan, Zooey Deschanel and Jonathan Scott
The Property Brothers and their ladyloves had one frightful date night during Halloween Horror Nights at Universal Studios Hollywood.
Adrienne Maloof and Vivica Fox
Maloof hosted a haunted mansion party at her Beverly Hills pad, where the theme of the night was “Killer Fashion.” Guests like Fox, Snoop Dogg and Pose star Angelica Ross did not disappoint with their costumes at the soiree, which was produced by House of Jones and sponsored by Kruto Vodka.
What are the chances Bacon looks this terrified because he's six degrees separated from one of these Hollywood Horror Nights ghouls?
Teresa Giudice, Joe Gorga and Melissa Gorga
The Real Housewives of New Jersey stars anchored themselves at the Fright Nights Halloween costume party at the Coconut Creek Casino in Florida. Giudice played the role of a queen, while the Gorgas opted for his-and-her sailor outfits.
Travis Mills and Madelaine Petsch
As if anything could be scarier than the town of Riverdale! The actress and her boyfriend still got spooked as they explored the “Holidayz in Hell” maze with their friends at Universal Studios Hollywood's Halloween Horror Nights.
Considering she stars in Zombieland: Double Tap, we think it's safe to say that Breslin wasn't too scared of this haunting creature during her Halloween Horror Nights visit.
"Literal Halloween magic @nightofthejack ? ? ?," Sims captioned a photo with husband Scott Stuber and their three kids, Grey, Brooks and Scarlett. "Thank you @brookemahan for the most amazing night!"
The 33-year-old actress, who rarely posts photos of her whole family on social media, shared a trio of photos with husband Brian Austin Green and their three sons, Noah, 7, Bodhi, 5, and Journey, 3, making their way around Disneyland to celebrate the spooky season. "Halloween at @disneyland is always the most fun but can I get ONE family photo where everyone is looking at the camera and making a semi normal face??," Fox jokingly captioned the images of her costumed kids, which show Journey dressed as a dinosaur while Bodhi sports what appears to be a skeleton bodysuit. Meanwhile, Noah wore a witch outfit, complete with a pink wig.
The actor-chef goofed around with the edible spooky ghoul eyeballs he created using Gardein’s meatless meatballs.
The Black-ish star helped paint faces at Facebook’s Halloween Teach-or-Treat event, co-hosted by celebrity makeup artist Sir John, in New York City on Oct. 12.
Great news! Richie made a few new horrifying friends at Universal Studios Hollywood's Halloween Horror Nights.
Well, this creepy clown mask isn't scary at all! "Madden house Halloween ready?," the Good Charlotte musician shared.
The 7th Heaven alum and her daughter, Kenzie, dressed up as adorable unicorn princesses for the GoGo squeeZ GoGoWeen Halloween Launch Event in Los Angeles.
The Girl Meets World actress was in for a hellish night at Universal Studios Hollywood's Halloween Horror Nights.
The 40-year-old actress' husband, Marc Silverstein, snapped pics of his girls as they visited Los Angeles' Cougar Mountain Pumpkin Patch. The whole family, including the couple's daughters, Birdie and Cricket, were decked out in gear from the Nightmare Before Christmas X Vans collection.
Tori Spelling and Dean McDermott
The reality stars brought all five of their kids -- daughters Stella and Hattie and sons Beau, Liam and Finn -- to the opening VIP experience of Nights of the Jack -- a Halloween Jack-O-Lantern event in Calabasas, California -- where they enjoyed Butterfinger Candy Pop.
The 33-year-old actress had a glee-ful day celebrating Halloween Time with Minnie Mouse and Mickey Mouse at Disneyland.
The High School Musical alum posed in front of a wall of Jack O'Lanterns during Thirteenth Floor Entertainment's grand opening celebration of the 2019 Los Angeles Haunted Hayride in Griffith Park.
The Fall Out Boy bassist worked his way through the mazes at the same Los Angeles Haunted Hayride, which will be open through Nov. 2.
The Modern Family star struck his best Nightmare Before Christmas pose while visiting Freeform's Halloween House. The immersive experience at the Hollywood Athletic Club in Los Angeles, which also features the worlds of Hocus Pocus and the Addams Family.
The 22-year-old model had nothing but chill despite her spooky companions at Universal Studios Hollywood’s "Halloween Horror Nights".
The "This Is What You Came For" singer put her makeup skills to the test, stepping out in striking skeleton face paint for a holiday party in London on Halloween 2018. RiRi's pink skull face provided just the right amount of pop to go with her all-black leather ensemble, which included patent bustier and leggings, as well as matching shoulder-high gloves and spiky heels.
Puppy love! The Crazy Ex-Girlfriend star excitedly showed off her dog costume while waiting for trick-or-treaters with "a top hat full of candy."
Cash Warren and Jessica Alba
The proud parents and their daughters, 10-year-old Honor and 7-year-old Haven, looked super comfy in their giraffe and unicorn onesies as they headed out for a night of trick-or-treating.
The then-pregnant Jersey Shore Family Vacation star dressed up her baby bump in a festive skeleton shirt.
The mom of three got her party startled, demonstrating her Tomatillo Salsa recipe while her face was completely done up as the Wicked Witch of the West.
Clad in fall Draper James attire, Witherspoon showed off her hand-painted pumpkins on Halloween.
The new mom dressed up her daughter, True, in a ton of adorable costumes, including these precious lamb and tiger outfits she shared via Instagram on Halloween.
If you can't beat 'em, join 'em! The former Fifth Harmony singer wasn't afraid of a couple of masked figures when she visited Universal Studios Hollywood’s Halloween Horror Nights.
The Colombian pop star and his girlfriend, Natalia Barulich, looked pretty happy considering they were surrounded by horrific creatures at Halloween Horror Nights!
The makeup mogul and her daughter, Stormi, dressed up in matching mommy-and-me skeleton onesies as they celebrated one of Jenner's favorite holidays.
The pop star captioned an adorable pic with her costumed son, "Pirates life for me."
The "Head Above Water" singer was ready to hit the high seas when she headed out to Halloween parties in Los Angeles in a sexy pirate get-up. Check out even more celeb Halloween costumes here.
The rapper kept his cool despite the ghoulish guests at Halloween Horror Nights.
Considering all the twists and turns on Jane the Virgin, we doubt the actress was shocked by anything at Halloween Horror Nights!
DJ Pauly D
The Jersey Shore Family Vacation star donned a Captain America costume during his 45-minute set at Drai's in Las Vegas on Oct. 26.
Hell on Earth was no match for the smiley Vanderpump Rules star as she made her way through Hollywood Horror Nights.
The Real Housewives of Beverly Hills star slipped into a Catwoman costume for Freixenet's Annual Black Magic Halloween Party at No Vacancy in Hollywood.
The Fall Out Boy bassist got his glow on at Nights of the Jack in Hollywood.
Meghan Trainor and Daryl Sabara
The couple that screams together, stays together! The engaged duo visited Halloween Horror Nights for the second year in a row.
We doubt Girl Meets World prepared Blanchard for these kinds of neighbors!
For her niece Stella's birthday bash, the "Misery" singer put her love of red lipstick to good use when she dressed up as The Nightmare Before Christmas' Sally.
Mandy Moore and Wilmer Valderrama
More than a decade-and-a-half after their split, the friendly exes kept up their yearly tradition of visiting Universal Studios' Halloween Horror Nights, hitting up the park with a few of their friends.
Melissa Joan Hart
Witches be cooking! Hart channeled her beloved Sabrina the Teenage Witch past as she prepped for Halloween, cooking up goodies like a spiderweb taco dip using Heluva Good and filling her kitchen with decorations.
The Modern Family star looked fearless as she wandered through Universal Studios' Halloween Horror Nights.
Hopefully, the singer won't become a wolverine herself after this Halloween Horror Nights encounter.
Derek and Julianne Hough
Nothing like a maniacal clown to cement some sibling bonding!
Miles Heizer and Dylan Minnette
The 13 Reasons Why co-stars gave the Halloween Horror Nights' Stranger Things maze two thumbs up after racing through the new attraction.
Along with Happy the Dog, the Christmas at Grand Valley star teamed up with the Hallmark Channel to hand out candy to children at the Ronald McDonald House LA.