
Mariah the Scientist Costume
Command the stage in Mariah's signature blue toy soldier look.
Mariah Amani Buckles, known professionally as Mariah the Scientist, is an American R&B singer celebrated for her soulful tracks and high-fashion aesthetic. One of her most recognizable and sought-after performance looks is her vibrant blue toy soldier outfit, which blends structured military style with pop-star glamour. This costume consists of a cropped royal blue marching band jacket, sleek black bottoms, and dramatic thigh-high boots.
- Difficulty
- Medium
- Time
- ~30 min
- Budget
- $60–150
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See yourself as Mariah the Scientist
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What you need for a Mariah the Scientist costume
Short on time? Buy it ready-made
Spirit Halloween sells the complete Mariah the Scientist costume — one box instead of 4 pieces.
Cropped blue military jacket
A vibrant royal blue cropped jacket featuring gold or black braided trim, gold epaulets, and decorative gold buttons.
DIY: Take a royal blue blazer, crop the hem with fabric scissors, and use fabric glue to attach gold trim and buttons.
Black high-waisted shorts
Sleek, form-fitting black high-waisted shorts or a black bodysuit to wear as a base layer.
DIY: Use any tight black shorts or a black swimsuit you already own.
Black thigh-high boots
Over-the-knee or thigh-high boots in black faux leather or suede with a high heel.
DIY: Wear black knee-high boots paired with black thigh-high socks to mimic the look.
Gold hoop earrings
Classic, medium-sized thin gold hoop earrings.
Rather not assemble it? See ready-made Mariah the Scientist costumes at Spirit Halloween ↗
How to put it together
- 1
Put on the black high-waisted shorts or black bodysuit as your base layer.
- 2
Layer the cropped royal blue military jacket over the top, leaving it partially open to showcase the cropped cut.
- 3
Pull on the black thigh-high boots, ensuring they fit snugly over your legs.
- 4
Style your hair in a sleek, bone-straight look with a clean middle part, or opt for soft waves.
- 5
Put on the gold hoop earrings and any minimal gold rings to complete the jewelry.
- 6
Apply a classic R&B glam makeup look featuring a defined lip and winged eyeliner.
Makeup & hair
Style your hair in long, bone-straight dark locks with a sharp middle part. For makeup, go for a classic R&B glam look with defined brows, soft brown eyeshadow, winged black eyeliner, and a lined, glossy nude lip.
Mariah the Scientist for couples, groups, kids & more
- couples
- Pair up with someone dressed in a matching military-inspired tactical outfit or as a music producer.
- group
- Have friends dress as backup dancers in matching black bodysuits and berets while you take center stage.
- Plus size
- Opt for a high-waisted black skater skirt or stretch leggings paired with a tailored blue military blazer.
Tips
- Ensure your thigh-high boots are comfortable if you plan on walking or dancing at a party.
- If you cannot find a pre-made military jacket, search for 'marching band jacket' or 'drum major jacket' online.
- Strike a confident, stage-ready pose for photos, holding a prop microphone to sell the performer look.
Mariah the Scientist costume FAQ
- What is Mariah the Scientist's soldier costume?
- It is a signature performance look featuring a cropped royal blue military-style marching band jacket, black shorts, and thigh-high boots.
- How do I style my hair for a Mariah the Scientist costume?
- Style your hair in ultra-straight, long dark locks with a sharp center part, or opt for soft, voluminous waves.
- Can I DIY the military jacket?
- Yes, you can take a royal blue blazer, crop the hem, and add gold braided trim and gold military buttons using fabric glue.
Did you know? Mariah the Scientist's stage name is a nod to her college major, biology, which she studied at St. John's University before pursuing music full-time.