Ariana, Lizzo, Lil Nas X and more Slay Halloween.

The stars slayed Halloween.

Cardi B and her adorable 3-year-old daughter Kulture Kiari dressed in identical wicked witch costumes designed by Garo Sparo.

Cardi captioned the cute post, “WE PUT A SPELL ON YOU AND NOW YOU’RE OURS, 🧙‍♀️ 🎃🦇 …Thank [sic] @garosparo for our dresses.”

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Taylor Swift was doing ‘hot squirrel s***”

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The Legends became the Addams this weekend. John Legend and Chrissy Teigen coordinated their family — including Teigen’s mom, Pepper — with matching Addams Family costumers this Halloween. Legend became Gomez, Teigen dressed as Morticia, Luna took on Wednesday, Teigen’s mom dresses as Grandmama… a mystery person dressed as Cousin It.

Shawn and Camila went all out for Día de los Muertos!

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Rihanna recreated the look and style of a recent post from rapper Gunna, to an almost perfect degree.

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Lil Nas X went as the basketball kid from Ned’s Declassified…

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Ariana Grande went as Audrey from Little Shop of Horrors…

and “Miss” Creature, from Creature from the Black Lagoon.

Lizzo was Baby Yoda…

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…the doll from Squid Game…

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Megan Thee Stallion was Cruella de Vil…

Doja Cat went as Sara Bellum from The Powerpuff Girls…

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and Meghan Trainor was Dr. Phil.