Boo! Halloween is here, and some of your favorite celebrities are getting into the spirit of the season. Check out all the stars in their spooky, scary, and sometimes sexy costumes.
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Celebrities Celebrating Halloween 2021
![Celebrities Celebrating Halloween 2021](https://hollywoodlife.com/wp-content/uploads/2021/10/rhobh-halloween-kills-premiere-intro.jpg?w=680)
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Kim Kardashian As A Space Cowboy
![Kim Kardashian As A Space Cowboy](https://hollywoodlife.com/wp-content/uploads/2021/11/kim-kardashian-cowboy-halloween-2021-backgrid-gal.jpg?w=680)
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Rihanna As Beetlejuice
![Rihanna As Beetlejuice](https://hollywoodlife.com/wp-content/uploads/2021/11/rihanna-halloween-2021.jpg?w=680)
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Chris Brown As A Mummy
![Chris Brown As A Mummy](https://hollywoodlife.com/wp-content/uploads/2021/11/chris-brown-halloween-2021-backgrid.jpg?w=680)
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Kendall Jenner As Martian Girl
![Kendall Jenner As Martian Girl](https://hollywoodlife.com/wp-content/uploads/2021/10/kendall-jenner-halloween-2021-backgrid.jpg?w=680)
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Justin Bieber As ‘Free Guy’
![Justin Bieber As ‘Free Guy’](https://hollywoodlife.com/wp-content/uploads/2021/10/justin-bieber-halloween-2021-backgrid.jpg?w=680)
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French Montana as The Weeknd
![French Montana as The Weeknd](https://hollywoodlife.com/wp-content/uploads/2021/10/french-montana-halloween-2021-backgrid.jpg?w=680)
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Megan Thee Stallion As A Butterfly
![Megan Thee Stallion As A Butterfly](https://hollywoodlife.com/wp-content/uploads/2021/10/megan-thee-stallion-halloween-2021-backgrid.jpg?w=680)
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Stassie Karanikolaou As The Joker
![Stassie Karanikolaou As The Joker](https://hollywoodlife.com/wp-content/uploads/2021/10/stassie-halloween-2021-backgrid.jpg?w=680)
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Billie Eilish Dresses As Sally For Halloween
![Billie Eilish Dresses As Sally For Halloween](https://hollywoodlife.com/wp-content/uploads/2021/10/billie-eilish-halloween-2021-backgrid.jpg?w=680)
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Doja Cat As Cynthia From ‘Rugrats’
![Doja Cat As Cynthia From ‘Rugrats’](https://hollywoodlife.com/wp-content/uploads/2021/10/doja-cat-halloween-2021-backgrid.jpg?w=680)
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Teyana Taylor In Crop Top & Skirt
![Teyana Taylor In Crop Top & Skirt](https://hollywoodlife.com/wp-content/uploads/2021/10/teyana-taylor-halloween-2021.jpg?w=680)
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Kaia Gerber In Blonde Wig
![Kaia Gerber In Blonde Wig](https://hollywoodlife.com/wp-content/uploads/2021/10/jacob-elordi-kaia-gerber-halloween-2021-backgrid.jpg?w=680)
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Victoria Justice
![Victoria Justice](https://hollywoodlife.com/wp-content/uploads/2021/10/victoria-justice-maxim-halloween-2021.jpg?w=680)
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Ryan Phillippe
![Ryan Phillippe](https://hollywoodlife.com/wp-content/uploads/2021/10/Ryan-Phillippe-halloween-2021.jpg?w=680)
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Sailor Brinkley-Cook
![Sailor Brinkley-Cook](https://hollywoodlife.com/wp-content/uploads/2021/10/Sailor-Brinkley-Cook-maxim-halloween-2021.jpg?w=680)
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Jamie Foxx
![Jamie Foxx](https://hollywoodlife.com/wp-content/uploads/2021/10/jamie-Foxx-halloween-2021.jpg?w=680)
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Alessandra Ambrosio
![Alessandra Ambrosio](https://hollywoodlife.com/wp-content/uploads/2021/10/Alessandra-Ambrosio-maxim-halloween-2021.jpg?w=680)
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Josie Marie Canseco
![Josie Marie Canseco](https://hollywoodlife.com/wp-content/uploads/2021/10/Josie-Marie-Canseco-halloween-2021.jpg?w=680)
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Dylan Penn
![Dylan Penn](https://hollywoodlife.com/wp-content/uploads/2021/10/dylan-penn-kiss-halloween-backgrid-post1.jpg?w=680)
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Larsa Pippen
![Larsa Pippen](https://hollywoodlife.com/wp-content/uploads/2021/10/larsa-pippen-lingerie-halloween-mega-2.jpg?w=680)
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Paris Jackson
![Paris Jackson](https://hollywoodlife.com/wp-content/uploads/2021/10/halloween-paris-jackson-mega.jpg?w=680)
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Doja Cat
![Doja Cat](https://hollywoodlife.com/wp-content/uploads/2021/10/halloween-doja-spl.jpg?w=680)
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Stassie and Justine Skye
![Stassie and Justine Skye](https://hollywoodlife.com/wp-content/uploads/2021/10/halloween-stassie-justine-mega.jpg?w=680)
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Joe Jonas and Sophie Turner
![Joe Jonas and Sophie Turner](https://hollywoodlife.com/wp-content/uploads/2021/10/joe-jonas-sophie-turner-halloween-2021-backgrid-gal1.jpg?w=680)
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Justin Bieber and Hailey Bieber
![Justin Bieber and Hailey Bieber](https://hollywoodlife.com/wp-content/uploads/2021/10/Justin-Bieber-Hailey-Bieber-halloween-.jpg?w=680)
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Olivia Jade
![Olivia Jade](https://hollywoodlife.com/wp-content/uploads/2021/10/olivia-jade-black-swan-halloween-mega-gal.jpg?w=680)
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Ellen DeGeneres & tWitch
![Ellen DeGeneres & tWitch](https://hollywoodlife.com/wp-content/uploads/2021/10/ellen-degeneres-halloween-2021-02-1.jpg?w=680)
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Ellen DeGeneres
![Ellen DeGeneres](https://hollywoodlife.com/wp-content/uploads/2021/10/ellen-degeneres-halloween-2021-1.jpg?w=680)
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Larsa Pippen
![Larsa Pippen](https://hollywoodlife.com/wp-content/uploads/2021/10/larsa-pippen-halloween-2021-mega.jpg?w=680)
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Farrah Abraham
![Farrah Abraham](https://hollywoodlife.com/wp-content/uploads/2021/10/farrah-abraham-halloween-2021-mega-1.jpg?w=680)
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AnnaLynne McCord & Sister Rachel McCord
![AnnaLynne McCord & Sister Rachel McCord](https://hollywoodlife.com/wp-content/uploads/2021/10/annalynne-mccord-rachel-pumpkin-path-mega-02-1.jpg?w=680)
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Billie Eilish
![Billie Eilish](https://hollywoodlife.com/wp-content/uploads/2021/10/billie-eilish-doja-cat-birthday-party-backgrid-1.jpg?w=680)
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Doja Cat
![Doja Cat](https://hollywoodlife.com/wp-content/uploads/2021/10/doja-cat-birthday-party-backgrid-1.jpg?w=680)
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Karrueche Tran
![Karrueche Tran](https://hollywoodlife.com/wp-content/uploads/2021/10/karrueche-tran-doja-cat-birthday-party-mega-1.jpg?w=680)
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Tyga
![Tyga](https://hollywoodlife.com/wp-content/uploads/2021/10/tyga-doja-cat-birthday-party-mega-1.jpg?w=680)
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Mauricio Umansky & Kyle Richards
![Mauricio Umansky & Kyle Richards](https://hollywoodlife.com/wp-content/uploads/2021/10/Kyle-Richards-Mauricio-Umansky-halloween-kills-premiere.jpg?w=680)
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Lisa Rinna
![Lisa Rinna](https://hollywoodlife.com/wp-content/uploads/2021/10/lisa-rinna-halloween-kills-premiere-1.jpg?w=680)
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Kathy Hilton
![Kathy Hilton](https://hollywoodlife.com/wp-content/uploads/2021/10/Kathy-Hilton-halloween-kills-premiere-1.jpg?w=680)
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Dorit Kemsley
![Dorit Kemsley](https://hollywoodlife.com/wp-content/uploads/2021/10/Dorit-Kemsley-halloween-kills-premiere-1.jpg?w=680)
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Jamie Lee Curtis
![Jamie Lee Curtis](https://hollywoodlife.com/wp-content/uploads/2021/10/Jamie-Lee-Curtis-halloween-kills-premiere-1.jpg?w=680)
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Benito Skinner
![Benito Skinner](https://hollywoodlife.com/wp-content/uploads/2021/10/Benito-Skinner-halloween-kills-premiere-1.jpg?w=680)
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Farrah Abraham & Daughter Sophia
![Farrah Abraham & Daughter Sophia](https://hollywoodlife.com/wp-content/uploads/2021/10/farrah-abraham-halloween-2021-mega.jpg?w=680)
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Tori Spelling & Kids
![Tori Spelling & Kids](https://hollywoodlife.com/wp-content/uploads/2021/10/tori-spelling-halloween-2021.jpg?w=680)