Top Trending Halloween Costumes in 2025

Halloween 2025 is all about creativity, nostalgia, and cultural obsession. Whether you’re planning for your kids, throwing a themed party, or just want something scroll-stopping for the gram, there’s no shortage of costume inspiration this year. Let’s dive into the most exciting Halloween costume trends that are making waves in Ireland and beyond.

Top 9 Trending Costumes:

• James Gunn’s Superman
• Elphaba & Glinda
• Wednesday Addams
• Squid Game Players
• K-Pop Demon Hunters
• Inside Out 2 Characters
• Barbie & Ken
• Dracula
• Frankenstein

Read on to learn how to style the full look.

James Gunn’s Superman

The hype around James Gunn’s reboot of Superman is real. The costume design brings a sleek update to the classic hero we all know and love. With the new Superman reboot and fresh takes on classic heroes, superhero costumes are once again stealing the spotlight and already becoming one of the most popular halloween costumes this year.

How to Complete the Look

• Wear a royal blue bodysuit or muscle suit with a bold red cape.
• Add red boots or trainers and the signature “S” chest emblem.
• Use face paint for comic-style shading and grab Kryptonite-themed costume accessories for extra flair.

Explore more ideas: Kids’ Superhero Costumes.

Wicked’s Elphaba & Glinda

The release of Wicked: Part One has brought back Elphaba and Glinda in a big way. Whether you’re going solo or pairing up with your bestie, this good witch/bad witch duo is a major trend for 2025. It's a very popular women's Halloween costume choice this year thanks to its mix of glam and magic.

How to Complete the Look

• Elphaba: Use green face paint, a long black dress, pointed hat, and dark boots.
• Glinda: Go for a sparkly pastel gown, tiara, glittery makeup, and a wand.
• Add costume wigs in long dark waves or blonde curls to complete the magic.

Wednesday Addams & the Addams Family

Thanks to Netflix’s Wednesday, this gloomy girl has stolen the spotlight again. If you’ve got more people to dress up, the full Addams Family cast is a perfect group idea. This is hands down one of the popular halloween costumes this year for women and families alike.

How to Complete the Look

• Wear a black dress with a white collar, black tights, and pigtails for Wednesday.
• Use pale powder, dark lipstick, and an unimpressed expression.
• Accessorise with a headless doll, black rose, or other spooky costume accessories.

Get inspired: Halloween Costumes Collection.

Squid Game Guards & Players

Even a few years later, Squid Game costumes haven’t lost their edge. Whether you’re going solo as a guard or teaming up as a squad of players, it’s still instantly recognisable. It’s also one of the best value popular men’s halloween costumes for 2025 those who want something easy but impactful.

How to Complete the Look

• Guards: Red hooded jumpsuit and a black mask with circle, triangle, or square.
• Players: Green tracksuit with a white number patch on the chest.
• Alternatively, you can just opt for a Squid Games Mask or Shapes T-Shirt.

K‑Pop Demon Hunters

One of the surprise hits of the year is K‑Pop Demon Hunters, and the fashion is absolutely killer. This costume idea combines fierce K-pop performance style with a supernatural twist. It’s perfect for teens or themed party squads.

How to Complete the Look

• Wear fitted black or red outfits with metallic or faux leather detailing.
• Use bold eyeliner, glitter, or dramatic face paint to build that demon-hunter edge.
• Add lightsticks, toy weapons, or layered costume accessories for impact.

Add themed décor: K-Pop Demon Hunter Party Supplies.

Inside Out 2 Characters

With the sequel out this summer, the characters from Inside Out 2 are everywhere again. Each emotion makes for a bright, bold costume that kids and adults can get into. These are some of the most joyful trending halloween costumes for families or classrooms.

How to Complete the Look

• Pick outfits that match your character’s main colour (e.g. blue for Sadness, yellow for Joy).
• Use colour-coordinated clothing, wigs, and face paint to bring the emotion to life.
• Add signs, emoji props, or expressive costume accessories to get into character.

Go colourful: Emoji Party Supplies.

Barbie & Ken

Barbie and Ken aren’t going anywhere, the Barbiecore wave is still going strong. Whether you go full glam, retro roller disco, or beach Ken, there are tons of variations. It’s definitely one of the popular Halloween costumes for women and couples again this year.

How to Complete the Look

• Barbie: Choose a pink dress, a sequin jumpsuit, or bright workout gear.
• Ken: Go for white trousers, a pastel shirt, or denim-on-denim.
• Top off the look with blonde costume wigs, sunglasses, and flashy costume accessories.

Bring the theme home: Barbie Party Supplies.

Classic Horror Icons

Sometimes the old-school hits best. Classic horror characters like Dracula, Frankenstein, the Bride, and vintage witches are always reliable go-to’s. These are still some of the most timeless and trending halloween costumes, especially for spooky house parties.