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20 sexy Halloween outfit ideas for under £25 – You’ll be KILLIN it in these Halloween costumes

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October 2, 2023

It’s that time of year again when we all start searching for Halloween outfit ideas & Halloween costumes and this is why we have created this list of sexy Halloween outfit ideas for 2023.

If there’s anything we’ve learnt from the cult classic movie Mean Girls, it’s the fact that…

In the real world, Halloween is when kids dress up in costumes and beg for candy. In Girl World, Halloween is the one day a year when a girl can dress up like a total slut and no other girls can say anything else about it.

And with Halloween getting bigger and better every year, the way forward seems to be the sexier the better… Especially when it comes to a Halloween Party or Halloween Event.

So here’s a list of our 20 sexy Halloween outfit ideas for under £25. Trust us, you’ll be KILLIN it (pun intended) in these Halloween costumes…

1. Halloween Leopard Print Catsuit – £12 from Boohoo

Halloween Leopard Print Catsuit — The best thing about this Leopard print catsuit is the fact that you can wear this on Halloween and also where it during the rest of the year. Add thangs, ears and a belt to your Halloween look!

2. Purple Skeleton Booty Shorts Set – $34 Devil Walking

Bring down an avalanche of glory with this fable-worthy skeleton set, printed in amethyst glass and onyx black. It consists of a hooded crop top with a large spandex collar, plus a pair of gorgeous booty shorts with a high waist and a brazen contour.

3. Multi Metallic Mermaid Foil Printed Bandeau Top & Skirt – £23 PrettyLittleThing

Multi Metallic Mermaid Foil Printed Bandeau Top & Skirt — We are obsessing over this mermaid top to make a bold statement this halloween. Featuring a multi mermaid metallic material with a bandeau neckline and a twist front detail. Style this with the matching skirt and statement accessories to complete the look.

4. Immortal Soul Costume – £27.99 Very

Immortal Soul Costume — This Immortal Soul Costume is the perfect solution for glamorous girls this Halloween.
The sexy, black side split dress also features lace, draped sleeves. Pair it with gothic makeup and black heels for a ghoulishly glam Halloween look!

5. Red vinyl sweetheart neck mini dress – £15 Missguided

red vinyl sweetheart neck mini dress — You simply can’t go wrong with red sweetheart neckline mini dress in a high shine vinyl fabric.

6. Gothic Nun Costume with Grey Dress and Headpiece – £26.99 Very

Gothic Nun Costume with Grey Dress and Headpiece — You’ll look like a devout (and slightly devilish) party-goer in this Gothic Nun Costume!
For a truly terrifying Halloween look, try out this Gothic Nun Costume. It includes a grey dress and matching headpiece, so all you need to add is some Gothic makeup for a cool Halloween look!

7. Plus Black Skeleton Print Long Sleeve Jumpsuit – £20 PrettyLittleThing

Plus Black Skeleton Print Long Sleeve Jumpsuit — Go all out this Halloween with this jumpsuit. Featuring a black jersey material with an all-over skeleton print and a zip fastening. Team this with neon accessories and dark make-up to complete the look.

8. Black Tutu – £8 Missguided

Black Tutu — Calling all princess’, grab your Tutu and add a beautiful bodice, job done!

9. Red Vinyl High Neck Bodysuit – Was £18 now only £3.50 PrettyLittleThing

Red Vinyl High Neck Bodysuit — Get ready to give your look a fierce update with this vinyl bodysuit. Featuring a red vinyl material with a high neckline and long sleeves, team it with the matching skirt and thigh-high boots for a killer halloween combo.

10. Black Naughty Nun Costume – Was £25 now £8 PrettyLittleThing

Black Naughty Nun Costume — This naughty nun costume is perfect for your halloween look. Featuring a dress, cross necklace and headdress, complete your look with high heels and some smokey makeup.

11. Halloween Skeleton Mesh Neck Mini Dress – Was £15 now only £5 Boohoo

Minis, midis and maxis are our motto, with classic jersey always genius and printed cami dresses the season’s killer cut.

12. Red stripe cheerleader vest and tutu set – £15 Missguided

red stripe cheerleader vest and tutu set — Cop this. A cheerleader vest and tutu set with stripe and slogan detail. Add fake blood for the glam look.

13. Halloween White Angel Feather Wings – £6.40 Boohoo

Halloween White Angel Feather Wings — Add attitude with accessories for those fashion-forward finishing touches

And one more – Plus Black Sheer Mesh Long Sleeve Maxi Dress – Was £18 now only £10 PrettyLittleThing

This post has been updated with 2023 prices