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HalloweenCostumes.co.uk Women's Plus Size Sultry Sea Witch Costume
Credit: HalloweenCostumes.co.uk
OK so you might need to create some DIY tentacles for this one but then it's as easy as some OTT make-up and an oversized fork.
Bristol Novelty Wickedest Witch Large Costume, Women, Black
Credit: Amazon
Green body paint: optional.
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3A mouse/Karen from Mean Girls dressed as a mouse
Find your sexiest LBD and then get some animal ears to channel your fave Mean Girls character.
Rubie's Disney Cruella De Vil, 101 Dalmatians Ladies Costume
Credit: Amazon
Bonus points for the puppy props.
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Rubie's Ladies Swan Ballet Halloween Costume
Credit: Amazon
Add a black tutu over your dress for good measure but then all you really need is some strong eyeliner game to finish the look.
Aetygh Cute Black Cat Halloween Dress Up
Credit: Amazon
If you can't be bothered to make your hair into a creative set of ears like this, just buy a pair from Poundland.
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FuturaLondon Women's 3/4 Sleeve Monochrome Black Skater Casual Block Shift Peter Pan Collar Dress
Credit: Amazon
Wednesday Addams is basically the easiest Halloween costume ever because who doesn't already own a black dress and a white shirt?
ORION COSTUMES Women's Black Skeleton Print Halloween Fancy Dress Costume
Credit: Amazon
As long as you have a strong face paint game you can get away with just wearing a black dress. Add painted-on-bones if you don't mind ruining your dress.
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Fun Costumes Breakfast at Tiffany's Holly Golightly Fancy Dress Costume
Credit: Amazon
Pick up some gloves in a party store and pile on plenty of pearls - good to go.
zhaolian888 Morticia Addams Halloween Dress Costume
Credit: Amazon
Slinky and sexy is best but if in doubt just swirl your arms around a bit and talk softly.
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Perfeclan Women's Black Bat Wing Sleeves Zip Hoodie Halloween Costumes
Credit: Amazon
If you have a spare black dress that you don't like as much, you can use it to fashion some wings, too.
ASY Ghost Bride Costume Women's
Credit: Amazon
Have some fun streaming some mascara down your face and dig out a black veil for good measure.
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Smiffys Adult Lady Reaper Costume
Credit: Amazon
Wear a black hoodie over your black dress and spend a few quid on the reaper's scythe and you're good to go.

Jess Edwards is Cosmopolitan UK’s Deputy Editor, working to deliver the very best experiences across the brand's platforms (print, social, video, digital), products and events, including a focus on our membership offering, Club Cosmo. Jess has worked in the media industry for almost 20 years and at Cosmopolitan for over 10 years, joining the brand as Fashion Editor and later going on to lead the digital team as Site Editor. With her background in lifestyle journalism, it is no surprise that you’re most likely to find her in the Fashion section and exploring the very best in hospitality via our Travel pages.
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