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Hocus Pocus: My Mermaid Halloween Costume

Posted by Lauren Conrad

You may have seen hints on my Instagram and in past blog posts, but the time has finally come to reveal my Halloween costume for this year. And it is…drumroll…


…a mermaid!

Thank you to all who voted to help me choose! Mermaid just narrowly beat out Ringleader by two percent in our poll. Even though I had already bought Chloe her lion costume, I’m glad Mermaid won because my DIY costume turned out pretty flippin’ cute (pun intended). Here’s a step-by-step guide to how I created this year’s costume…

DIY Mermaid Costume

Here’s what you will need:

  • two large scallop seashells
  • your choice of mixed seashells (my favorite were tiny starfish!)
  • corset or strapless bra
  • shimmery green fabric with some stretch
  • dark green or turquoise sequined fabric
  • tulle in different shades of turquoise and blue
  • needle and thread
  • straight pins
  • scissors
  • hot glue gun
  • a dress form (or in my case, a cute intern!)

 

Instructions:

For the seashell bra:

  1. Lay the bra on a flat surface and arrange the seashells to your liking.

  1. Use your hot glue gun to secure all of the seashells onto the bra. I went through them individually to make sure each shell was intact.

For the mermaid tail:

  1. Wrap the shimmery green fabric around your dress form, making sure that the fabric is inside out.

  1. Pin the fabric in place with your straight pins so that you know where to go back and sew it together.
  2. Remove the shimmery green fabric once it is all pinned. Remove the straight pins as you sew and use your scissors to cut off excess fabric. This will be the layer underneath your dark sequined fabric.
  3. Wrap the dark green sequined fabric around your dress form and secure it with straight pins just like your first layer of fabric.

  1. Pin the fabric just below where your bottom will be in the mermaid tail. I wanted to make sure that I was able to comfortably take off my mermaid costume without it ripping, so I sewed just the bottom of the tail together and safety pinned the top portion for when I wear it on Halloween.
  2. Grab the multi-colored tulle and began layering them to add volume to your mermaid tail. To sew the tulle tufts onto my tail, I took the needle and thread and pulled it through the center of my tulle layers and sewed it to the inside of the dark sequined fabric.

  1. I wanted my tail to look extra glamorous so I sewed on a few extra layers of tulle. (Tip: Sewing tulle under the front of the tail made it easier for me to walk.)

  1. Once you sew the final tulle tufts onto your mermaid tail, the only thing left to do is try on the completed costume. I wore my mermaid skirt so that it just hit above my seashell top. That way, it looks like the costume is one piece.

I am so excited to wear this costume this weekend!

What are you dressing up as this year?

Let me know in the comments below. And be sure to share your photos if you decide to recreate this mermaid costume!

XO Lauren

 

Photos: Yoni Goldberg for LaurenConrad.com

 

Categories: Celebrate, Craft, DIY, Halloween, Holiday Crafts, Lauren Conrad
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  • thethingsiamcrazyfor.wordpress.com/ Camila

    Wow that is so smart and so beautiful!

  • www.thegetting.com PJ

    I LOVE this! I’ve always wanted to be a mermaid for Halloween, but have only ever come across super cheesy costumes. This is gorgeous! The seashell bra is everything.

    PJ
    www.thegetting.com

    • LaurenConradOnline

      We adore how Lauren created her seashell bra, plus it was super easy!

      • Allison

        Where did the bra come from? I have never seen one like that in stores

  • Alysa

    the best mermaid costume i’ve seen so far
    xo,
    alysamadisun.blogspot.com

  • Citizen of the World

    By far the best mermaid costume!!
    Amazing!
    -Adrienne. xo

    Citizen of the World
    Citizen of the World

    Check out my new online boutique!!
    Wanderlust Boutique

  • www.handbagsandhandguns.com/ Misty, Handbags + Handguns

    It looks fantastic!

  • www.dettecakes.blogspot.com/ Kelly Linn Feller

    Oh my gosh! This I so pretty! Definitely the best DIY mermaid costume
    XO Kelly
    www.dettecakes.com

  • Bethany

    Gorgeous!!! I wish I was this crafty/talented

  • wildheartsandgreentea.blogspot.com Wild Hearts + Green Tea

    Wow, I love how elegant this is!
    I’m excited to see the finished styling/hair/makeup as well

    • LaurenConradOnline

      Stay tuned, Halloween is only a few days away!

  • Emily Knott

    This is amazing! Love!

    www.britishbeautyaddict.com

  • Guest

    I just stumbled across this and the process was almost identical to what I did for my mermaid costume this year!

    • Shantell Robertson

      This looks amazing! Great job!
      xo, Shantell
      www.getyourchicon.com

    • alyce1213

      Yours is nicer.

    • Mia

      I don’t mean to call attention to your abs, but WHAT is your workout routine? Please share your secrets!

  • Emily

    Ah this is SO SO great! meowemily.blogspot.com

  • currenthabits.blogspot.com/ Shae

    It turned out so cute! Great tutorial too!

    XX,
    S. Roderick
    www.currenthabits.com

  • thewonderforest.com Dana Fox

    Love it, what a great idea!

    xo dana
    thewonderforest.com

  • BerryBloomXO

    How interesting! It looks lovely! I love the effect the seashells have – brings us back to summer! 😀

    Happy Halloween! <3

    xoxo,

    BerryBloomXO.com | Beauty & Lifestyle Blog

  • Janina

    How amazing!!! It looks so great

    XO Janina

    janinafran.blogspot.ca

  • Shantell Robertson

    BRILLIANT!
    xo, Shantell
    www.getyourchicon.com

  • www.theneonfactor.com/ Diana

    I love this!! Great costume!!

    xoxo, Diana

    www.TheNeonFactor.com

  • www.xpureperspective.blogspot.nl Melane

    This is absolutely amazing! Such a cool idea

    Melane | Pure Perspective

  • Alex

    That is amazing!!!!!!! The seashell top is perfect

    www.wickedchicblog.com

  • Megan

    This is so cool!! I wish I was this creative but this is the coolest costume I think i’ve ever seen! My boyfriend and I are dressing up as Kourtney Kardashian and Scott Disick so this will be interesting!
    poshprime.com
    ~~Megan~~

  • Vanessa

    This is incredibly cute. I love it!
    -Vanessa
    www.studiomatsalla.com

  • juliette

    Please post the photos from when you are wearing it! It looks amazing! <3

  • Chelsea

    Reminds me of Kim Kardashian’s mermaid costume from a few years ago. Such a classy way to be a mermaid without showing too much skin.

  • Lexa

    YOU’RE PERFECT!

  • www.redsonjafashion.com/ Sonja – Red Sonja Blog

    Oooo, this Mermaid costume is perfect!! I love it!

    • LaurenConradOnline

      Lauren did an incredible job, didn’t she?!

  • rainbowsandunicorns27.blogspot.co.uk/ Marie Lou

    OMG I love this it looks amazing xox

  • www.katieelisabeth.com/ Katie Elisabeth

    That is a stunning mermaid costume!x

  • Guest

    This looks similar to the costume I made for my friends and I! Love this Lauren!

  • Guest

    This looks similar to the costume I made for my friends and I! Love this Lauren!!

  • Rainbow N

    This is such a creative costume
    Sensitive Epidermis | Rainbow
    xxx

  • Amber

    I am going as Disney’s Maleficent- Makeup Tutorial is up on YouTube and full costume reveal comes out on Friday. I LOVE LOVE LOVE this mermaid costume and especially that it is a DIY. Gorgeous!

    Amber
    Maleficent Makeup Tutorial

    King & Kind

  • Vanessa

    Love love love! You’re a genius Lauren

  • Julie James

    Great idea….my boobs would NEVER fit in that though!!! ;/

  • Daisy @ Fit Wanderlust Runner

    What a cute idea!! I would have never thought of it.

  • Stefanie Dankert

    All I can see is Lauren’s abnormally beautiful hair 😀
    And all the amazing sequins, of course, as I am a huge love of all things sparkling
    Great work!

  • dreamliveandrepeat.blogspot.com/ Ashley of Dream.Live.R
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