14 Mary-Kate and Ashley Costume Ideas That Are Double the Trouble For Halloween

There are plenty of fun Halloween costumes for women, but sometimes you just want to dress up with your best friend. If you're feeling a bit nostalgic this year, we suggest looking to Mary-Kate and Ashley Olsen for inspiration. With tons of home videos and TV shows under their belt, the possibilities for impersonating the twins are practically endless. So if you ever wanted to be them when you were younger, here's the perfect opportunity to live out your childhood fantasy.

01
Roxy and Jane, New York Minute
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Roxy and Jane, New York Minute

  • What to wear: Look like an NYC tourist. Pair an "I ❤️ NY" shirt with a red skirt and you're ready to go. If you can find a fluffy dog to carry around, that's even better.
  • How to act: If you're Roxy, go with the flow. If you're Jane, freak out about absolutely everything.
02
Riley and Chloe, So Little Time
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Riley and Chloe, So Little Time

  • What to wear: The hair is key here. Aside from a plaid shirt, jeans, and a cute choker, you need to spend extra time perfecting those beach waves and flipped out bob.
  • How to act: If you're Riley, live on the edge a little. If you're Chloe, play by the rules.
03
Chloe and Riley, Winning London
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Chloe and Riley, Winning London

  • What to wear: A turtleneck sweater, crazy printed pants, boots, and a long trench coat. One of you should wear a hat.
  • How to act: Chloe is extremely driven and acts like a leader, while Riley is more of a free-spirit and just a tad boy-crazy.
04
Maddie and Abby, Our Lips Are Sealed
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Maddie and Abby, Our Lips Are Sealed

  • What to wear: Go full on go-go girl, complete with white boots. Differentiate your looks by having one of you wear a headband.
  • How to act: Like you are incapable of keeping a secret.
05
Samantha and Emma, Switching Goals
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Samantha and Emma, Switching Goals

  • What to wear: This one is easy; all you need are soccer uniforms from opposing teams.
  • How to act: Make people think you're someone else.
06
Mary-Kate and Ashley, Two of a Kind
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Mary-Kate and Ashley, Two of a Kind

  • What to wear: One of you should wear cargo pants and a t-shirt, and the other should wear a blouse and a skirt. Don't forget your '00s hairdo.
  • How to act: Like polar opposites.
07
Tess and Emily, Billboard Dad
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Tess and Emily, Billboard Dad

  • What to wear: Pretty casual outfits like a tank top, capris, and a light jacket. Colored sunglasses are a must!
  • How to act: You're both total schemers. Try to get your single friend a date by the end of the night.
08
Mary-Kate and Ashley, You're Invited to Mary-Kate & Ashley's Sleepover Party
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Mary-Kate and Ashley, You're Invited to Mary-Kate & Ashley's Sleepover Party

  • What to wear: Go with plaid pajamas and carry a soft pillow. A bowl of popcorn is optional.
  • How to act: Ask people if they want to come to your sleepover and then start singing about pizza. If you need any inspiration, watch this video.
09
Kelly and Lynn, Double, Double Toil and Trouble
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Kelly and Lynn, Double, Double Toil and Trouble

  • What to wear: A blue dress, red and white stockings, a black cape, and matching witches' hats.
  • How to act: Try to stay out of trouble, especially when it comes to the supernatural.
10
Amanda and Alyssa, It Takes Two
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Amanda and Alyssa, It Takes Two

  • What to wear: A dusty rose t-shirt and denim overalls.
  • How to act: One of you should act like a total drama queen, while the other should chew gum a lot.
11
Mary-Kate and Ashley, The Adventures of Mary-Kate & Ashley
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Mary-Kate and Ashley, The Adventures of Mary-Kate & Ashley

  • What to wear: A gray trench coat, a matching fedora hat, and cool shades.
  • How to act: Like you're on a mission to solve a mystery.
12
Susie and Jessica, How the West Was Fun
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Susie and Jessica, How the West Was Fun

  • What to wear: One of you should wear a white shirt, a white denim jacket, red pants, and matching cowgirl boots. The other should don a blue button-down shirt, jeans, a matching jacket, and black boots. Don't forget your white cowgirl hat.
  • How to act: Like this town isn't big enough for the both of you.
13
Sarah and Julie, To Grandmother's House We Go
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Sarah and Julie, To Grandmother's House We Go

  • What to wear: One of you should wear pink overalls, a matching jacket, and pigtails. The other should have a blue plaid shirt, a blue jacket, jeans, and a simple ponytail.
  • How to act: Ask people if they can give you a ride to your grandmother's house.
14
Michelle Tanner, Full House
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Michelle Tanner, Full House

  • What to wear: Flower power is your new motto. Pair a cute floral dress with a matching scrunchy and you're good to go.
  • How to act: Cute and darn proud of it. Bat your puppy-dog eyes when things don't go your way and make everyone melt with your iconic one-liners.
Mary-Kate and Ashley Olsen Halloween Costumes
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Mary-Kate and Ashley Olsen Halloween Costumes