Union Jack Costume
Bring ultimate 90s Girl Power to life in the iconic British flag dress.
The Union Jack costume is a bold, patriotic look most famously cemented in pop culture by Geri Halliwell (Ginger Spice) of the Spice Girls at the 1997 Brit Awards. Perfect for 90s throwback parties, music-themed events, or group costumes, this look is instantly recognizable. The ensemble centers on a striking red, white, and blue British flag design paired with high-energy retro accessories.
- Difficulty
- Easy
- Time
- ~20 min
- Budget
- $25–65
Try it on
See yourself as Union Jack
One clear photo of yourself; we render you in this costume — face untouched, full body, about 20 seconds.
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What you need for a Union Jack costume
Short on time? Buy it ready-made
Spirit Halloween sells the complete Union Jack costume — one box instead of 3 pieces.
Union Jack Dress
A short, sleeveless bodycon mini dress featuring the British Union Jack flag print, ideally covered in sequins for a pop star shine.
DIY: Fabric-glue a small cotton Union Jack flag onto the front of a plain black tank dress.
Red Platform Boots
Knee-high or ankle-length platform boots in vibrant red patent leather or vinyl.
DIY: Wear red high-top sneakers or wrap red duct tape over old boots.
Peace Sign Ring
A chunky silver-toned ring or necklace featuring a peace sign to capture the 90s aesthetic.
DIY: Draw a peace sign on a cardboard circle, cover it in silver foil, and attach it to a plain ring base.
Rather not assemble it? See ready-made Union Jack costumes at Spirit Halloween ↗
How to put it together
- 1
Slip on the Union Jack flag dress, ensuring the pattern is centered and straight.
- 2
Lace up or zip into the red platform boots to add retro height and pop star attitude.
- 3
Style your hair into a half-up, half-down look with face-framing strands.
- 4
Put on your chunky silver peace sign jewelry.
- 5
Finish the look with a bold red lip and strike a classic 'Girl Power' peace sign pose.
Makeup & hair
Style hair in a copper-red shade with two bleached blonde streaks framing the face. Apply 90s-style makeup featuring frosted eyeshadow, heavy black eyeliner, and a classic red lipstick.
Union Jack for couples, groups, kids & more
- couples
- Pair up with someone dressed as Austin Powers or a British Royal Guard.
- group
- Gather four friends to complete the Spice Girls lineup with Scary, Sporty, Baby, and Posh Spice.
- kids
- A simple Union Jack graphic t-shirt paired with denim jeans and red sneakers.
- Plus size
- Look for a stretch-knit Union Jack tunic dress or a flag-print blazer paired with black leggings.
- pet
- A small dog sweater or bandana featuring the Union Jack flag print.
Tips
- Opt for a stretch-fabric dress for comfort if you plan on dancing or walking around a lot.
- If wearing high platform boots, practice walking in them beforehand or bring a backup pair of red flats.
- For outdoor cold-weather events, layer the dress over black opaque tights and a black long-sleeve undershirt.
Union Jack costume FAQ
- How do I make a DIY Union Jack dress?
- Take a plain black tank dress and use fabric glue or iron-on adhesive to attach a cotton Union Jack flag to the front, trimming any excess fabric from the sides.
- What shoes should I wear with a Union Jack dress?
- Vibrant red platform boots are the most iconic choice, but red high-top sneakers or red heels also work perfectly.
- Who made the Union Jack dress famous?
- Geri Halliwell (Ginger Spice) of the Spice Girls made the dress iconic during her performance at the 1997 Brit Awards.
Did you know? Geri Halliwell's original Union Jack dress was actually made from a tea towel that her sister sewed onto a black Gucci dress to make it more patriotic.