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Kim Kardashian - For the reality star’s first look of the holiday, she gives us a look at what she’s been hiding under all those neutral separates. By Jazmine A. Ortiz(Photo: Kim Kardashian via Instagram)

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Kim Kardashian, North West and Friends - Then for her second look, it’s a group affair. The style-savvy clan tackles fashion’s elite: Kim as Anna Wintour, North West as André Leon Talley, her friend Joyce Bonelli as Grace Coddington, and her son as Karl Lagerfeld.(Photo: Kim Kardashian via Instagram)

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Beyoncé and Blue Ivy - The Carters go as the Jacksons this Halloween. And no, we're not talking Bey and Jay — we're talking Bey and Blue as Janet and Michael Jackson, respectively.(Photo: Beyonce via Instagram)

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Beyoncé and Blue Ivy - The mama-daughter duo get artsy this time around at the N.Y.C. Halloween Parade, dressing as a mini Picasso and Frida Kahlo.(Photo: Splash News)

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Jay Z and Friends - Hov participates in the Carter family fun and dresses up as famed artist Jean-Michel Basquiat along with other festive friends.(Photo: Steve Stoute via Twitter)

Photo By Photo: Steve Stoute via Twitter

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Tinashe - The "2 On" singer and her pal pull off North West and Kim Kardashain's front row style from Paris Fashion Week.(Photo: Tinashe via Instagram)

Photo By Photo: Tinashe via Instagram

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Karrueche and Chris Brown - Party number three for Kae and Chris proves to be a scary treat. The duo hit Las Vegas in X-men themed attire. Their Wolverine and Storm costumes are the best yet. (Photo: Karrueche Tran via Instagram)

Photo By Photo: Karrueche Tran via Instagram

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Miguel - Why is the "Adorn" singer so serious? Well, because he's the Joker of course!(Photo: Miguel via Instagram)

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Jermaine Dupri - Look! It's Pope Dupri. This costume is So, So on-point. (Photo: Jermaine Dupri via Instagram)

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Alicia Keys - These butterfly duds suit the glowing mama-to-be beautifully. (Photo: Alicia Keys via Instagram)

Photo By Photo: Alicia Keys via Instagram

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Lil Kim and Royal Reign - This Halloween the Queen Bee along with her little bumblebee hit the town to reclaim her Beehive.(Photo: Lil Kim via Instagram)

Photo By Photo: Lil Kim via Instagram

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Trina and Friend - The raptress dons wings and white feathers while her girl sports devil horns, but have you ever seen an angel look this bad? Neither have we. (Photo: Trina via Instagram)

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Erica Mena and Shad Moss - The newly engaged couple celebrate their first Halloween together looking happy, we think. (Photo: Shad Moss via Instagram)

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Diddy - It's King Diddy—because he wants us all to know he's royalty.(Photo: Diddy via Instagram)

Photo By Photo: Diddy via Instagram

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Justin Bieber - The Biebs takes his little brother trick-or-treating in matching Red Ranger costumes. (Photo: Justin Bieber via Instagram)

Photo By Photo: Justin Bieber via Instagram

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Skylar Diggins, Angela Simmons and Vashtie - These lovely ladies channel the Pink Power Ranger, a rainbow unicorn and the always classic skeleton.(Photo: Angela Simmons via Instagram)

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La La Anthony - When in doubt, throw on some animal ears and a catsuit. La's chic bunny ears do the trick!(Photo: Lala Anthony via Instagram)

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Fabolous, Emily B. and Family - The family does a perfect Addams Family impression. From Thing to Cousin It, they did that!(Photo: Emily B. via Instagram)

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Ludacris and Eudoxie - The couple goes Gotham-inspired, but instead of Batman, the rapper picks the villainous Bane while his lady goes as Catwoman.(Photo: Ludacris via Instagram)

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Rihanna and Friends - The Teenage Mutant Ninja Turtles never looked this good!(Photo: TS, PacificCoastNews)

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Ashanti - The singer dons a belly dancer getup inspired by Aziza of Cairo.(Photo: Ilya S. Savenok/Getty Images for Heidi Klum)

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Elle Varner and Chef Roblé - Little Miss Muffet and her babies a.k.a. too much cuteness for one photo!(Photo: Elle Varner via Instagram)

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Iggy Azalea and Friend - The rapper pokes fun at her recent beef with Snoop, teaming up with a friend to become the hilarious main characters from the movie White Chicks.(Photo: Iggy Azalea via Instagram)

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Demi Lovato, Jennifer Lopez and Iggy Azalea - This trio parties it up at J. Lo's Halloween bash as Lucille Ball, a red devil and a White Chick.(Photo: Jennifer Lopez via Instagram)

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Tyga and Kylie Jenner - Stil not a couple? Well, the "close friends" sport the creepiest of couples costumes, Chucky and his bride.(Photo: Kylie Jenner via Instagram)

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Keri Hilson and Serge Ibaka - Egyptian royalty looks good on the couple! The songstress and the NBA baller dress as Nefertiti and Pharaoh Akhenaten.(Photo: Keri Hilson via Instagram)

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Karrueche and Chris Brown - The celebrity lovebirds are the perfect fit as Sandy and Danny from Grease.(Photo: Karrueche Tran via Instagram)

Photo By Photo: Karrueche Tran via Instagram

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Draya Michele - Paging Nurse Draya! The sexy socialite hangs with her saucy friends Halloween night.(Photo: Draya Michele via Instagram)

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Zoë Kravitz - It's no surprise that the actress decides to wear a nun costume. She's all about the peace and love.(Photo: Zoe Kravitz via Instagram)

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Rita Ora - Blonde ambition! The British singer celebrates in London dressed as a Barbie doll.(Photo: WeirPhotos/SplashNews)

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Big Sean - The Purge-inspired costumes are certainly popular this year. Even the rapper dresses as one of the masked killers from the movie.(Photo: Big Sean via Instagram)

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Ariana Grande - The pint-sized singer shows off her goodies in beautiful angel getup.(Photo: Ariana Grande via Instagram)

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Nicole Richie and Kids - 101 MADDENS — how adorable! The Candidly Nicole star celebrates with her kiddies, daughter Harlow and son Sparrow.(Photo: Nicole Richie via Instagram)

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Sofia Richie - Lionel Richie's youngest hangs with her skeletal posse. Scary!(Photo: Sofia Richie via Instagram)

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North West - Look at this little stinker! Kim Kardashian gets a snapshot of Nori running around the house dressed as the cutest skunk we've ever seen. (Photo: Kim Kardashian via Instagram)

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Blac Chyna and Amber Rose - These ladies make one hot duo! They get super creative and celebrate as a sexy sailor and a zombie pageant queen. (Photo: Blac Chyna via Instagram)

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The Real Cast  - Halloween is in full effect on the set of The Real. Tamar Braxton works the prima ballerina look, Loni Love does a regal queen, Adrienne Bailon makes one badass cop, Jeannie Mai is a fierce unicorn and Tamara Mowry is an astronaut. As for Ne-Yo, he's his usual dapper self. (Photo: TheRealDaytime via Twitter)

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Queen Latifah - The Queen's Maleficent is magnificent! Who knew the talk show host could pull off such an evil getup. (Photo: Queen Latifah Show/Sony Pictures Television)

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Terry Crews and Robin Roberts - Jay Z and Beyoncé? Nope, try actor Terry Crews and Good Morning America anchor Robin Roberts. They are spot on.(Photo: Good Morning America via Twitter)

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Christina Milian - Rihanna did it last year, now Xtina gets chola-fied this time.(Photo: Christina Milian via Instagram)

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Amber Rose - Ms. Rose celebrates her birthday with a surprise costume-themed party. The bday girl rings in 31 dressed as a zombie Peggy Bundy! (Photo: Vladimir Labissiere/Splash News)

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Karrueche and Chris Brown - The cute couple hit Amber Rose's costume-themed birthday bash and Breezy's bae arrives as a dominatrix bunny. (Photo: Vladimir Labissiere/Splash News)

Photo By Photo: Vladimir Labissiere/Splash News

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Blac Chyna - Also at Amber's party, the sinful vixen takes the traditional nun costume up a notch with revealing sheer panels. She's so naughty.(Photo: Vladimir Labissiere/Splash News)

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Ashley Madekwe - The style blogger chooses Heath Ledger's Joker in Dark Night to leave a fashionable impression this Halloween. (Photo: All Access Photo/Splash News)

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Naya Rivera - The actress sure likes being a bride. After a short-lived engagement to Big Sean earlier this year and then getting hitched to actor Ryan Dorsey this summer, the newlyweds dress up as a mail-order bride and mailman. (Photo: Naya Rivera via Instagram)

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106 & Park Crew - Host Keshia Chante is a killer Poison Ivy and French Montana gives us RUN DMC realness in his Adidas threads. (Photo: Bennett Raglin/BET/Getty Images)

Photo By Photo: Bennett Raglin/BET/Getty Images

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Mariah Carey - The doting mom brings Halloween to Australia for Dem Babies as the family is currently traveling for the singer's The Elusive Chanteuse Show. Rocco does his best Spider-Man impersonation while the girls don princess outfits. (Photo: Mariah Carey via Twitter)

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Alicia Quarles - The E! correspondent gets her 80s on this year and channels Madonna in "Like a Virgin."  (Photo: Taylor Hill/Getty Images)