
Number Six Costume
Channel the ultimate Cylon in her signature striking red dress.
Number Six is the iconic, seductive Cylon model from the reimagined Battlestar Galactica series, famously portrayed by Tricia Helfer. Her most recognizable look is the vibrant red dress worn by Caprica-Six, making this a popular choice for sci-fi fans who want a bold, sleek costume. The ensemble consists of a form-fitting red dress, matching heels, and her signature platinum blonde hair.
- Difficulty
- Easy
- Time
- ~30 min
- Budget
- $40–120
Try it on
See yourself as Number Six
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 Number Six costume
Short on time? Buy it ready-made
Spirit Halloween sells the complete Number Six costume — one box instead of 4 pieces.
Red cutout dress
A form-fitting, sleeveless red sheath dress, ideally featuring a halter neck or subtle cutouts along the back or sides to match her screen-accurate style.
DIY: Take a simple red maxi or midi dress and carefully cut out a small section at the lower back or waist, securing the edges with fabric tape.
Platinum blonde wig
A short, chin-length bob or shoulder-length wig in bright platinum blonde with soft waves.
Red high heels
Classic red stiletto pumps or strappy red heels to match the dress.
DIY: Wear any comfortable nude or black heels you already own if you don't have red ones.
Red lipstick
A bold, classic red lipstick to match the shade of the dress.
Rather not assemble it? See ready-made Number Six costumes at Spirit Halloween ↗
How to put it together
- 1
Style your hair or secure your natural hair under a wig cap, then put on the platinum blonde wig, parting it slightly to the side.
- 2
Apply your makeup, focusing on a clean complexion, defined mascara, and a bold red lip.
- 3
Slip into the form-fitting red cutout dress, ensuring a smooth fit.
- 4
Put on the red high heels.
- 5
Adopt a confident, poised posture to embody the cool, calculated demeanor of a Cylon.
Makeup & hair
Keep makeup classic and striking with a flawless matte base, defined eyebrows, subtle smoky eyeshadow, and a signature bold red lipstick. The hair must be a bright, styled platinum blonde bob with soft, polished waves.
Number Six for couples, groups, kids & more
- couples
- Pair with someone dressed as Gaius Baltar in a sharp gray suit with a slightly disheveled white shirt.
- group
- Gather friends to dress as other Cylon models (like Sharon/Boomer) or Colonial Fleet officers in gray uniforms.
- Plus size
- Look for a stretch-jersey red halter dress that offers comfortable support and a flattering silhouette.
Tips
- Opt for a dress fabric with some stretch, like jersey or spandex, so you can move and sit comfortably during an event.
- If you are wearing a wig, use a wig grip band underneath to keep it from sliding back throughout the night.
- For photos, stand tall with a confident, slightly mysterious expression to capture the character's Cylon presence.
Number Six costume FAQ
- What kind of dress does Number Six wear?
- She is best known for her sleeveless, form-fitting red dress with a halter-style neckline and a distinctive cutout design on the back.
- How do I style my hair for a Caprica-Six costume?
- You need a platinum blonde bob that hits just around the chin or shoulders, styled with soft, elegant waves and a side part.
- What accessories do I need for this costume?
- The look is minimalist and sleek, requiring no heavy jewelry—just the red dress, matching red heels, and bold red lipstick.
Did you know? Actress Tricia Helfer's iconic red dress was custom-designed for the miniseries and became so famous that it was later displayed in sci-fi museum exhibitions.