BFF Halloween Costume Ideas
Best Halloween Costume Ideas for You + Your Besties
Halloween isn’t just for solo costumes. It’s the perfect time to team up with your bestie and turn heads. Whether you’re going spooky, nostalgic, or hilarious, BFF Halloween costumes make the holiday more fun and Instagram-worthy.
In this guide, you’ll find 20+ creative best friend costume ideas (including trios and groups), plus tips on shopping, DIY hacks, and how to snag everything easily on Amazon.
💡 Affiliate note: This post contains affiliate links. If you buy through them, I may earn a small commission at no cost to you.
✨ How to Pick the Perfect BFF Costume
- Agree on a vibe: spooky, cute, nostalgic, or punny.
- Set a budget: decide what you’ll DIY vs. buy.
- Plan early: popular costumes sell out by early October.
- Think photos: choose bold colors and iconic props for social media impact.
- Comfort counts: layer for warmth or pick breathable fabrics if you’ll be outdoors.
👗 Classic BFF Duos
Angel & Devil
Opposites attract!
- What to buy: Angel wings + halo, Devil horns + pitchfork
- DIY: white dress for the angel; red/black outfit for the devil.
Batman & Robin
Dynamic duo goals.
- What to buy: Batman costume, Robin suit
- Style tip: add utility belts and gloves.
Poison Ivy & Harley Quinn
Gotham’s favorite troublemakers.
- What to buy: Harley Quinn set, Poison Ivy bodysuit & ivy garland
- DIY: use face paint for dramatic effects.
Sandy & Rizzo (Grease)
Retro cool for the 50s vibe.
- What to buy: Pink Ladies jacket, Black leather leggings
- Photo tip: bring prop sunglasses.
Audrey Hepburn & Marilyn Monroe
Hollywood icons.
- What to buy: Pearl necklace set, White halter dress.
- DIY: cat-eye sunglasses & bold red lips.
🌟 Pop Culture & 90s/2000s Throwbacks
Barbie & Ken
Barbiecore is still trending.
- What to buy: Pink Barbie dress, Ken beach shirt & shorts.
- DIY: glitter accessories and heart sunglasses.
Lilo & Stitch
Tropical cuteness overload.
- What to buy: Lilo dress, Stitch onesie
- DIY: add leis and flower hair clips.
Kim Possible & Shego
Cartoon nostalgia for millennials.
- What to buy: Green cargo pants, Shego jumpsuit
- Photo tip: strike action poses!
Romy & Michele
Perfect for BFFs who love sparkle.
- What to buy: Metallic pink mini dress, Blue mini dress.
- DIY: make “Post-It” badges for laughs.
Mean Girls (Regina & Cady)
On Wednesdays, we wear pink.
- What to buy: Burn Book clutch, Plaid skirt + sweater set
- DIY: “A Little Bit Dramatic” headband.
😀 Funny & Punny Duo Costumes
Peanut Butter & Jelly
- What to buy: PB & J tunic set
- DIY: brown/purple tees + bread cutouts.
Salt & Pepper
- What to buy: S&P shirts or shaker hats
- DIY: use stick-on letters.
Milk & Cookie
- What to buy: Cookie onesie, Milk carton costume
Taco & Hot Sauce
Plug & Socket
- What to buy: Plug & outlet set
- DIY: foam board shapes.
👩👧👦 Group & Trio Costume Ideas
- Powerpuff Girls: Blossom, Bubbles, Buttercup
- Clueless Crew: Cher, Dionne, Tai
- Scooby-Doo Gang: Daphne, Velma, Shaggy, Scooby
- The Incredibles: family superhero suits
- Stranger Things Kids: Eleven, Max, Will, Dustin
Coordinating with your bestie is the easiest way to make Halloween memorable and Insta-ready! Start early, plan your vibe, and grab what you need from Amazon.