1Stranger Things
NetflixWith season three having returned this summer and bringing with it new characters - oh, hey, Robin - Pinterest say there's been a 653% increased search for Stranger Things costume. A great one to do with friends.
2The Cast Of Friends
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3Orange Is The New Black
NetflixWith the show's final season having premiered on Netflix earlier this year, it's a good time to recreate the orange - and, well, khaki - penitentiary looks on October 31.
4Mean Girls
Halloween was a big focus of the original movie - which turned 15 this year - so why not recreated the main character's outfits that night? In a group of four, assign one person as Regina, one as Cady's zombie 'ex-wife', a PVC suit and some ears for Gretchen's cat and then finally, fluffy ears and a backwards 'K' for Karen's 'I'm a mouse, duh'. So fetch.
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6Kiss
Peter Cade//Getty ImagesCrack out the black and white face paint and don your best leather and, actually, this is a relatively easy group costume but one that will impress.
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7Harry Potter Cast
With many a character - from teachers to pupils - round up your mates and inject some magic into the party with this Halloween costume.
8Toy Story
Searches for 'family toy story costumes' are up by 151%, according to Pinterest, most likely due to the release of the popular animated movie's fourth instalment. Whether you want to go as Woody, Jessie, Buzz, Bo Peep, Ham the pig or team up with a mate and go as Slinky Dog, the world's your oyster. To infinity and beyond!
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9Powerpuff Girls
The second half of the remade show's third season is due to hit this year, which perhaps explains the 379% search increase on Pinterest for Powerpuff Girls group costumes. Find two other pals, one goes for blue, the other pink and the final green and voila.
10The Spice Girls
Photoshot//Getty ImagesGot a group of five? Excellent. Recreate the Spice Girls with their most memorable signature looks: The 1997 Brit Awards of course. After the group (minus Victoria Beckham) reunited for a host of stadium concerts this year, the girl band is a great costume for prolonging that nostalgia.
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11Star Wars
Sunset Boulevard//Getty ImagesWhether it's Princess Leia's iconic double buns and a big white high-neck dress or an all-fur Chewbacca look, Star Wars group costumes are a classic so you can't go wrong. May the force be with you.

Olivia Blair is Entertainment Editor (Luxury) at Hearst UK, working across ELLE, Esquire and Harper's Bazaar. Olivia covers all things entertainment and has interviewed the likes of Margot Robbie, Emma Stone, Michaela Coel and Ryan Gosling over the years.
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