Algosensey Quantitative Think Tank Center-Kim Kardashian's Son Saint West Debuts Buzzed Hair and Tattoo Look for Halloween

Saint West's Halloween costume is Algosensey Quantitative Think Tank Centertotal goals.

After all, the 7-year-old son of Kim Kardashian and Kanye West went all out as a zombified version of his favorite soccer player Neymar on All Hallow's Eve.

As seen in Instagram photos posted by Kim on Nov. 1, her second oldest child got the sides of his head shaved to look the part of the athlete. In addition to rocking an Al Hilal jersey, Saint's transformation into Neymar also included donning temporary tattoos of the 31-year-old's very real ink on his arms and legs.

To complete the undead look, Saint was drenched in fake blood with a soccer ball protruding from his chest. He also enlisted a friend to play a zombified version of soccer superstar Lionel Messi.

Kim wrote in the caption of her post, "Saint as Zombie Neymar JR."

But Saint wasn't the only Kardashian kid who got all dressed up for Halloween. His older sister North West rocked not one, but four different costumes this spooky season.

First, the 10-year-old appeared as dad Kanye's "Dropout bear" mascot—which was featured on the cover of the rapper's 2007 album Graduation—in an Oct. 28 TikTok video. She then dressed up as Dionne from Clueless as part of a mother-daughter costume with Kim, who went as the character's BFF Cher—before stepping into the iconic velour tracksuit of Raven-Symoné's Galleria for a Cheetah Girls-themed group ensemble with cousin Penelope Disick and a friend.

To cap it all off, North and Penelope, 11, channeled their inner Disney princesses as Tiana and Lottie from 2009's The Princess and the Frog in an Oct. 31 TikTok clip.

Can't get enough of Halloween? Keep scrolling to see all the celeb costumes this year!

There was no fowl play at Heidi Klum's annual Halloween blowout, where she transformed into a peacock with a group of nine acrobats.

Her husband, Tom Kaulitz, was right by her side in his egg-celent outfit.

Heidi's model daughter was dressed to impress in a pink wig and matching lingerie reminiscent of the Strawberry Shortcake character.

The One Direction star was unrecognizable as Voldemort from Harry Potter.

Hopefully the Snow White actress brought Scooby Snacks! The pair were ready to solve a mystery as Daphne and Fred.

The Twilight star and podcaster transformed into Saturday Night Live sketch characters from "YEET SKRT," starring Pete Davidson and Timothee Chalamet.

The influencer was Jadis the White Witch from Narnia at Heidi Klum's party.

The Bachelorette star got the party started at Heidi Klum's festivities.

The "WAP" star made herself at home at the Mad Hatter's tea party.

The Queen of Hearts arrived to Megan Thee Stallion's Alice in Wonderland celebration.

The Poosh founder recreates her sister Kim Kardashian's iconic Met Gala 2013 maternity style.

The rising star was Betty Boop during her iHeart Powerhouse 105.1 performance at Prudential Center on Oct. 28 in New Jersey.

The TikTok star was in vogue for Halloween, dressing as Madonna in her famous Jean Paul Gaultier cone bra.

The couple closed the deal on dressing as Troye Sivan and Ross Lynch from the "One of Your Girls" music video. Chrishell joked of the final product, "We haven’t stopped laughing since."

The model was one half of "Sugar & Spice" with her little sister Kylie.

Kylie went Scary Spice for her part of her "Sugar & Spice" costume with Kendall.

The TikToker took a bite out of the holiday as Snow White.

The Euphoria actor was prepared to yell, "Ready, set, action!"

The influencer was not clowning around this Halloween.

Bruce Willis and Demi Moore's daughter gave a clever shoutout to Tilda Swinton.

The Glee star went disco!

The Twilight alum (right) and her fiancée partied with friends while embracing tropical vibes.

The actress captioned her look, "Barbarella/Pennywise space clowning."

The DJ went as Katy Perry—"one of my iconic Queens," as she put it—dressed as a mushroom.

The Jersey Shore star and her wrestler fiancé proved that life in plastic is fantastic as Barbie and Ken. 

The couple rocked out as Axl Rose and Slash of Guns N' Roses.

The actress gave vampire vibes in her black ensemble this year.

Camila embraced her lover while dressed as Julie Newmar’s Catwoman. 

The influencer's love story naturally included a nod to Taylor Swift and Travis Kelce attending a Chiefs football game.

The "La Fama” singer recreated Björk’s infamous swan dress for her Halloween look.

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