Best Friend Halloween Costumes for Adults
Halloween is always more fun when you can coordinate costumes with your best friend. Whether you want to go for a nostalgic throwback, channel your favorite pop culture duo, or create a clever pun costume, there are tons of great options for best friend costumes. Here are some of the top ideas to consider for you and your BFF this Halloween:

1. Cher and Dionne from Clueless

The iconic '90s duo of Cher Horowitz and Dionne Davenport from the movie Clueless makes for a perfect best friend costume. To recreate their signature looks:
For Cher:
  • Yellow plaid skirt and blazer set
  • White knee-high socks
  • Mary Jane shoes
  • White shirt
  • Fluffy pen
For Dionne:
  • Black and white plaid skirt and blazer
  • Black hat with flower
  • White shirt
  • Platform shoes
Don't forget to practice your "As if!" and other classic Clueless quotes to really get into character. This costume works great for two female friends who want to channel some '90s nostalgia. The bold plaid outfits are instantly recognizable and allow you to show off your fashion sense just like Cher and Dionne.

2. Wayne and Garth from Wayne's World

For a funny duo costume, you can't go wrong with Wayne and Garth from the Wayne's World movies. This is an easy one to put together:
For Wayne:
  • Black t-shirt
  • Ripped jeans
  • Baseball cap
  • Long black wig
For Garth:
  • Glasses
  • Plaid shirt
  • Jeans
  • Blonde wig
Throw in some air guitar moves and "Party on!" catchphrases and you'll have the perfect Wayne and Garth costume. This works well for male friends or a couple looking for a fun, laid-back costume idea. The casual outfits are comfortable for a night out and instantly recognizable to fans of the movies.

3. Romy and Michele from Romy and Michele's High School Reunion

Another great '90s best friend costume idea is Romy and Michele from the cult classic comedy. Their over-the-top reunion outfits are perfect for Halloween:
For Romy:
  • Metallic blue mini dress
  • Silver platform heels
  • Blonde wig
For Michele:
  • Pink feather-trimmed mini dress
  • Pink platform heels
  • Blonde wig
Add some bubbly personalities and practice your synchronized dance moves to really embody these lovable characters. This costume allows you and your bestie to go all out with fun, flashy outfits perfect for a night of Halloween partying. The bright colors and feathers make for great photo ops too.

4. Lorelai and Rory Gilmore

For best friends who love witty banter and coffee, dressing as the Gilmore girls is a great choice:
For Lorelai:
  • Plaid shirt
  • Jeans
  • Boots
  • Coffee mug
For Rory:
  • Plaid skirt
  • Sweater
  • Knee socks
  • Book bag
Make sure to talk fast and reference lots of pop culture to really capture the Gilmore spirit. This mother-daughter duo works well for friends of different ages or heights. The casual, preppy outfits are comfortable and easy to put together from items you may already own.

5. Thelma and Louise

Channel the ultimate female friendship with a Thelma and Louise costume:
For Thelma:
  • White t-shirt
  • High-waisted jeans
  • Headscarf
For Louise:
  • Tank top
  • Jeans
  • Leather jacket
  • Sunglasses
Bonus points if you can incorporate a vintage convertible into your costume! This is a great option for friends who want to embody strong, rebellious female characters. The casual outfits are easy to put together and comfortable for a night out.

6. Velma and Daphne from Scooby-Doo

For a fun, nostalgic costume, go as these classic cartoon characters:
For Velma:
  • Orange turtleneck sweater
  • Red pleated skirt
  • Orange knee socks
  • Black shoes
  • Glasses
For Daphne:
  • Purple dress
  • Green scarf
  • Purple headband
  • Purple shoes
Don't forget to practice saying "Jinkies!" and "Jeepers!" This costume works well for friends of different heights or hair colors. The bright, colorful outfits are fun and instantly recognizable to most people.

7. Elsa and Anna from Frozen

Disney princess costumes are always popular, and Frozen's sister duo makes for a great best friend costume:
For Elsa:
  • Long blue dress with cape
  • White-blonde wig
  • Tiara
For Anna:
  • Green and black dress
  • Braided red wig
  • Black boots
Practice your "Let It Go" duet for the full effect. This costume is perfect for friends who love Disney and want to channel their inner princesses. The elaborate dresses and wigs allow you to fully transform into the characters.

8. Lucy and Ethel from I Love Lucy

Go retro with a Lucy and Ethel costume from the classic TV show:
For Lucy:
  • 1950s style dress
  • Red wig
  • Pearl necklace
For Ethel:
  • 1950s style dress
  • Curly brown wig
  • Apron
Recreate some classic scenes like the chocolate factory or Vitameatavegamin commercial. This costume is great for friends who love vintage style and classic comedy. The 1950s outfits allow you to embrace a fun, retro look for the night.

9. Mermaid Man and Barnacle Boy

For a funny, nostalgic costume, dress as these SpongeBob SquarePants characters:
For Mermaid Man:
  • Orange shirt
  • Green tights
  • Purple cape
  • Shell bra
  • Starfish mask
For Barnacle Boy:
  • Red shirt with sailor collar
  • Blue shorts
  • Red hat
  • Black mask
Don't forget to yell "Evil!" at random intervals throughout the night. This costume is perfect for friends with a silly sense of humor who want to embrace their inner cartoon characters. The outrageous outfits are sure to get lots of laughs.

10. Daria and Jane

For a sarcastic take on Halloween, go as these animated best friends:
For Daria:
  • Green jacket
  • Black skirt
  • Combat boots
  • Round glasses
For Jane:
  • Red jacket
  • Black shorts
  • Combat boots
  • Short black wig
Practice your deadpan expressions and witty comebacks. This costume works well for friends who share a dry sense of humor and don't mind embracing their inner misanthropes for the night. The simple outfits are comfortable and easy to put together.

11. Salt and Pepper Shakers

For a punny food-themed costume, dress as this classic condiment pair:
For Salt:
  • White shirt and pants
  • "S" on shirt
  • White hat
For Pepper:
  • Black shirt and pants
  • "P" on shirt
  • Black hat
You can even attach strings to your hats to look like real shaker tops. This costume is great for friends who love wordplay and want an easy, recognizable costume. It's a simple DIY option that still packs a visual punch.
Tips for Coordinating Best Friend Costumes:
  • Plan ahead and discuss ideas together to find something you both love
  • Consider your body types, heights, and personal styles when choosing costumes
  • Decide if you want to buy pre-made costumes or DIY your looks
  • Practice poses and catchphrases to really embody your characters
  • Consider how your costumes will work in different settings (parties, work, trick-or-treating, etc.)
  • Don't be afraid to put your own spin on classic costume ideas
  • Most importantly, have fun and embrace the spirit of dressing up with your bestie!
With so many great options to choose from, you and your best friend are sure to find the perfect Halloween costume to celebrate your friendship. Whether you go for a pop culture reference, a clever pun, or a classic duo, coordinating costumes allows you to show off your bond and have twice the fun on Halloween night. The key is to pick something you both feel comfortable and confident in so you can focus on making memories together. Happy Halloween!
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