Lumpy Space Princess costume — example look
AI-generated example

Lumpy Space Princess Costume

Embrace your inner drama queen with this iconic purple cloud look.

Lumpy Space Princess (LSP) from Adventure Time is a fan-favorite character known for her sassy attitude and floating purple cloud form. Dressing up as LSP is a popular choice for fans who want a comfortable, funny, and highly recognizable costume. The look centers around a voluminous purple outfit, her signature yellow forehead star, and a dramatic attitude.

Difficulty
Easy
Time
~30 min
Budget
$2075

Try it on

See yourself as Lumpy Space Princess

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.

Lumpy Space Princess costume
Example look · AI-generated
You as Lumpy Space Princess
Result

What you need for a Lumpy Space Princess costume

Short on time? Buy it ready-made

Spirit Halloween sells the complete Lumpy Space Princess costume — one box instead of 5 pieces.

Shop Lumpy Space Princess at Spirit ↗
  • Purple dress or tulle skirt

    A lavender or medium-purple tutu, tulle skirt, or tiered ruffle dress to mimic her lumpy, cloud-like shape.

    DIY: Safety-pin purple tulle or organza fabric onto a basic purple skirt or dress to create a lumpy, voluminous texture.

  • Purple top

    A matching lavender or purple t-shirt, tank top, or long-sleeve bodysuit to wear under the skirt.

    DIY: Use any plain purple shirt you already own.

  • Yellow star headband or face sticker

    A bright yellow five-point star positioned directly in the center of the forehead.

    DIY: Cut a five-point star out of yellow felt or glitter foam and attach it to a headband or apply it directly to your forehead with skin-safe adhesive.

  • Purple tights or leggings

    Solid purple tights or leggings to complete the monochromatic look.

  • Purple wig

    A wavy or curly pastel purple wig to match her cartoon aesthetic.

    DIY: Style your natural hair in voluminous, messy curls if it is already colored, or use temporary purple hair spray.

Rather not assemble it? See ready-made Lumpy Space Princess costumes at Spirit Halloween ↗

How to put it together

  1. 1

    Put on the purple bodysuit or top, followed by the purple tights or leggings.

  2. 2

    Layer the voluminous purple tulle skirt or tiered dress over the top to create the signature 'lumpy' silhouette.

  3. 3

    Secure the yellow star to the center of your forehead using skin-safe adhesive, or slip on the star headband.

  4. 4

    Put on the wavy purple wig, fluffing it up to maximize volume.

  5. 5

    Add optional purple face paint or makeup to match your skin tone to the outfit.

  6. 6

    Channel LSP's dramatic personality by practicing her iconic sassy poses and quotes.

Makeup & hair

Keep makeup simple with purple eyeshadow and a bold pink or purple lip. If not using a wig, style your hair into high-volume, messy curls and spray with temporary purple hair color.

Lumpy Space Princess for couples, groups, kids & more

couples
Pair up with Finn the Human, Jake the Dog, or Princess Bubblegum for a classic Adventure Time duo.
group
Form an Adventure Time royalty group with Princess Bubblegum, Flame Princess, and Marceline.
kids
Use a purple toddler tutu and a simple yellow star headband for an adorable, comfortable kids' version.
Plus size
A tiered lavender maxi dress or an oversized purple ruffle dress provides a comfortable, flowy, and screen-accurate fit.
pet
A simple purple dog sweater or ruffle collar paired with a small yellow star on the collar.

Tips

  • The key to this costume is volume; don't be afraid to layer multiple tulle skirts to get that extra 'lumpy' look.
  • Wear comfortable purple flats or sneakers, as LSP doesn't wear shoes in her floating cloud form.
  • Bring a hand mirror or a faux phone prop to pose for dramatic 'selfies' just like LSP does in the show.

Lumpy Space Princess costume FAQ

What is Lumpy Space Princess's star?
LSP has a single sharp yellow five-point star on her forehead, which is her source of power and allows her to float.
How do I make a DIY Lumpy Space Princess costume?
The easiest way is to pair a purple shirt and purple leggings with a highly voluminous purple tutu, then stick a yellow felt star to your forehead.
Is Lumpy Space Princess a hard costume to make?
No, it is one of the easiest and most budget-friendly Adventure Time costumes to put together using basic purple clothing and simple craft supplies.

Did you know? Lumpy Space Princess is voiced by Pendleton Ward, the creator of Adventure Time, who gave her her signature sassy, valley-girl-inspired voice.