15 It Girl–Approved Halloween Costume Ideas

Coming up with a Halloween costume that hasn't been done a million times and that you're excited to put together is a bit of a tall order, but it can be done. So how does one find the perfect Halloween costume idea—you know, the one that's equal parts unique, alluring, and impressive? 

The answer is simple: By turning to our seasoned panel of experts in everything cool, the It girls of the fashion world, of course. To give you a jump start, we did some celebrity research ourselves and we're sharing an assortment of creative ideas from Alexa Chung, Adwoa Aboah, Kate Moss, and more, including everything from fashionable spins on classic costumes to inspired takes on movie characters.

Get a head start on your Halloween costume by bookmarking these supremely stylish ideas. Plus, shop the essentials you need to re-create each creative look. Check out our 15 fashionable Halloween costumes below. 

Rita Ora

Rita Ora halloween costume


Mark R. Milan/GC Images

The costume: Alexandra Medford from The Witches of Eastwick

The essentials: A silk robe, slip dress, and black calf boots

Adwoa Aboah

Adwoa Aboah Halloween costume inspo


Mark R. Milan/GC Images

The costume: A troll

The essentials: Green wig, statement trouser, blue heels

Alexa Chung

Fashion Celebrity Halloween Costume Ideas Alexa Chung Mermaid


Astrid Stawiarz/Getty Images for Ketel One Family-Made Vodka

The costume: Mermaid 

The essentials: Green sparkly skirt, shell bra, pink wig

Kate Moss

Fashion Celebrity Halloween Costume Ideas Kate Moss


Mark R. Milan/GC Images

The costume: Morticia Addams

The essentials: Black dress, black coat, red lipstick

Poppy Delevingne

Fashion Celebrity Halloween Costume Ideas Poppy Delevingne


David M. Benett/Dave Benett/Getty Images for Unicef

The costume: Harley Quinn

The essentials: Bomber jacket, fishnet tights, pink and blue hair dye

Gabrielle Union

Fashion Celebrity Halloween Costume Ideas Gabrielle Union


Gilbert Carrasquillo/FilmMagic

The costumes: Race Car Driver

The essentials: Checkered driver suit, sunglasses

Karlie Kloss

Fashion Celebrity Halloween Costume Ideas Karlie Kloss


Andrew H Walker/WWD/Shutterstock

The costume: Catwoman

The essentials: Long black gloves, cat ears, black dress

Joan Smalls

Fashion Celebrity Halloween Costume Ideas Joan Smalls


Andrew H Walker/WWD/Shutterstock

The costume: Minnie Mouse

The essentials: Red bodysuit, white tutu, Minnie Mouse ears

Zoe Kravitz

Fashion Celebrity Halloween Costume Ideas Zoe Kravitz


JB Lacroix/GC Images

The costume: A modern vampire

The essentials: Red robe, pajamas, vampire teeth

Kendall Jenner

Fashion Celebrity Halloween Costume Ideas Kendall Jenner


Bryan Steffy/Getty Images for Casamigos

The costume: Fembot

The essentials: Pink dress, feather heels, blonde wig

Lupita Nyong'o

Fashion Celebrity Halloween Costume Ideas Lupita Nyong'o


JNI/Star Max/GC Images

The costume: Dionne from Clueless

The essentials: Black checked suit, red cardigan, black tights

Emily Ratajkowski

Emily Ratajkowski Cleopatra Halloween Costume


Theo Wargo/WireImage

The costume: Cleopatra

The essentials: Shimmery gold dress, black hair wig, choker necklace, dark eyeliner 

Madison Pettis

Madison Pettis Halloween costume Beyoncé



The costume: Coachella Beyoncé

The essentials: Denim shorts, yellow sweater, sparkly silver boots


Rihanna Skeleton Halloween Costume


GORC/GC Images

The costume: Skeleton

The essentials: Black leather pants, leather gloves, a corset, and skeleton face makeup

Dascha Polanco

Dascha Polanco Vivian Ward costume Pretty Woman


Josiah Kamau/BuzzFoto via Getty Images

The costume: Vivian Ward from Pretty Woman

The essentials: Black over-the-knee boots, blonde wig, iconic Vivian Ward dress

Now, try these Halloween costumes that scream Hollywood glamour

This post was published at an earlier date and has been updated.

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