
Bubble Guppies Costume
Bring the vibrant underwater world of Bubble Guppies to life!
Bubble Guppies is a beloved animated preschool series set in a vibrant underwater classroom. Dressing up as characters like Molly or Gil is a popular choice for toddlers and nostalgic fans alike, featuring bright colors, playful patterns, and signature mermaid tails. This guide focuses on recreating the iconic mermaid-tail look using comfortable, wearable materials.
- Difficulty
- Medium
- Time
- ~45 min
- Budget
- $20–50
Try it on
See yourself as Bubble Guppies
One clear photo of yourself; we render you in this costume — face untouched, full body, about 20 seconds.
One render, $1. No account needed — if it fails you're not charged. Pricing.
Your photo is sent to Google's Gemini API to make the render and isn't used for training. Renders are AI-generated and labelled.
Want a different costume on this photo, or a whole group in costume? Open the Try-On Studio.

What you need for a Bubble Guppies costume
Short on time? Buy it ready-made
Spirit Halloween sells the complete Bubble Guppies costume — one box instead of 4 pieces.
Brightly colored top
DIY: Use fabric paint to draw swirl or scale patterns onto a plain solid-colored t-shirt.
Mermaid tail skirt or leggings
DIY: Cut a tail fin shape out of stiff felt and sew or safety-pin it to the bottom hem of patterned leggings.
Tulle or felt tail fin
DIY: Gather layers of matching colored tulle and attach them to an elastic ankle band.
Vibrant wig
DIY: Create a wig using thick yarn strands attached to a matching crochet beanie.
Rather not assemble it? See ready-made Bubble Guppies costumes at Spirit Halloween ↗
How to put it together
- 1
Put on the patterned top, ensuring it fits snugly to mimic a swim top.
- 2
Pull on the scale-printed leggings or mermaid tail skirt.
- 3
Secure the tulle or felt fin accessory around the ankles or attach it to the bottom hem of the pants.
- 4
Carefully style and put on the bright pink or blue character wig, securing it with bobby pins if needed.
- 5
Add optional underwater accessories like a toy microphone for Molly or a toy fish for Gil.
Makeup & hair
Keep makeup minimal and playful with a touch of face glitter on the cheeks. For hair, tuck natural hair securely under a wig cap before putting on the bright pink or blue character wig.
Bubble Guppies for couples, groups, kids & more
- couples
- Go as Molly and Gil with matching pink and blue color schemes and mermaid tails.
- group
- Gather friends to dress as the whole classroom, including Deema, Oona, Nonny, and Goby.
- kids
- This look is highly popular for toddlers; use soft, stretchy leggings and a comfortable t-shirt instead of a restrictive skirt.
- Plus size
- Use high-waisted scale-printed leggings paired with a matching fitted tunic for a comfortable, flexible fit.
- pet
- A simple green or pink scale-printed pet bandana or a lightweight plush mermaid tail slip-on.
Tips
- Prioritize walking comfort by choosing a skirt with a wide hem or opting for scale-printed leggings instead of a tight mermaid skirt.
- If trick-or-treating in cold weather, layer a matching long-sleeve thermal shirt underneath the costume.
- Use fabric markers or fabric paint to easily customize plain clothing items with the characters' signature patterns.
Bubble Guppies costume FAQ
- How do you make a comfortable Bubble Guppies tail?
- Use scale-printed leggings instead of a restrictive skirt, and attach a lightweight felt or tulle fin to the ankles using elastic bands.
- What are the key colors for a Molly costume?
- Molly wears a bright pink top with blue swirls, a blue-and-pink patterned mermaid tail, and has bright pink hair.
- What are the key colors for a Gil costume?
- Gil wears a blue top, a green scale-patterned tail, and has bright blue hair.
Did you know? The show's unique 'Costume Boxing' episode features the characters visiting a dress-up warehouse, highlighting the series' focus on imaginative play and costumes.