Make an Ursula Costume for Halloween: Disney’s the Sea Witch

Ursula the sea witch costume

I have wanted to make a mermaid crown forever, which is likely why I made an Ursula Costume for Halloween. Ursula is one of my favourite Disney villains, she’s a businesswoman. This was my take on the Disney villain, so I took some creative liberties.

Watch the Ursula Halloween Costume Tutorial

Outfit

The costume is a combination of handmade and purchased pieces.

Ursula Costume Pieces

What I DIY’d

  • Tentacles
  • Tulle Skirt
  • Jewelry
  • Crown

Bought

  • Corset
  • Purple body stocking
  • Frilly shorts

Ursula Costume Tentacles & Tulle Skirt

I technically only have six tentacles including my legs for the required eight for an octopus, but it’s close enough. I made four satin tentacles, stuffed them with cotton and fastened them to a waist tie.

Supplies

  • Black fabric
  • Purple Fabric
  • Cotton
  • Thread

Ursula Tentacle Directions

  1. Make a tentacle pattern on paper
  2. Cut the pattern out
  3. Trace it on your purple and black satin fabric, cut pieces out
  4. Sew pieces together wrong side up (with the nice finish inside) and flip out afterwards
  5. Stuff with cotton
  6. Pin placement before sewing and try it on to see if it falls right. Sew to matching black satin band.
Ursula Tentacles DIY

I made a black tulle wrap I also attached to a sash to go under the tentacles.

Ursula Halloween Costume

Ursula Accessories

Ursula Mermaid Crown

I’m super happy with how this crown turned out; it took awhile but was worth it. I’ll do a full tutorial about it soon. But essentially I made a form out of two foam sheets sandwiched between wire and wrapped in ribbon, then I adorned it like crazy. Here is an in progress picture.

For the earrings and necklace, I covered leftover crown shells with glue and glitter then attached to an earhook or ribbon. For the trident I bought a cheap devil’s pitchfork from the dollar store, glued shells on it and spray painted it gold.

I attempted to paint myself purple, but failed, this was the best I could do. The purple body stocking made me purple enough though. I hope you liked this costume; see previous Halloween tutorials here

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