Best Girls' Costumes Under $100 (2026)
We ranked items by a value score combining price under $100, material quality, feature set (accessories, LEDs), size range, and overall customer satisfaction signals
The Verdict
- Best Overall: Girls Mermaid Princess Dress for Ariel — Best for turquoise mermaid fans: comfortable dress design with mermaid styling and princess details for everyday dress-up
- Best Value: Girls Mermaid Princess Dress with Headband Accessory — Best for coordinated sets: mermaid dress that includes a matching headband accessory to complete the look
This roundup highlights well-reviewed girls' costumes under $100 chosen for value, variety, and kid-friendly features like comfort, durable fabrics, and easy on/off designs. Selections were ranked by a value score that balances price, materials, age range, and special features such as accessories or lighting
Top Picks
-
1
Best Overall Girls Mermaid Princess Dress for Ariel
Best for turquoise mermaid fans: comfortable dress design with mermaid styling and princess details for everyday dress-up
Mermaid-themed kids dress with layered teal tulle and white embroidered top. Includes matching accessories; designed for comfort with multi-layer fullness. Customers note quality, fit, and magical look
- layered tulle for volume
- adjustable bowknot front/back
- includes accessories
-
2
Princess Belle Dress Up Costume for Toddler Girls
Best for Belle-inspired play: toddler-sized princess silhouette with classic styling suitable for dress-up and events
Toddler dress costume inspired by a princess theme, featuring hypoallergenic stretch fabric and layered tulle for a fluffy, comfortable fit. Customers note it matches a princess vibe and is well-made for events
- soft, skin-friendly fabric
- plush, multi-layer tulle
- comfortable, poofy fit
-
3
Best Value Girls Mermaid Princess Dress with Headband Accessory
Best for coordinated sets: mermaid dress that includes a matching headband accessory to complete the look
Mermaid-themed kids dress with layered teal tulle and embroidered top. Includes optional back bow and crown accessories for dress-up play; customers note its full, comfortable fit and festive look
- two-layer teal tulle with underskirt for comfort
- off-shoulder style with elegant bowknot
- includes crown accessories
-
4
Tutu Dreams Hawaiian Tutu Dress with Fern Headband (Girls 1-12Y)
Best for tropical parties: Hawaiian tutu dress with fern headband offering playful layers and bright island styling
Handmade hawaiian tutu dress with tropical leaves and floral accents. Vibrant green-red color, lined top, soft interior, and durable feel. Customer note: looks like pictures and fits accurately, though some report leaves detach over time
- tropical fern leaf decor
- full skirt with soft interior
- vibrant green-red color
-
5
Girls Mermaid Princess Dress — PURFEEL
Best for repeat wear: mermaid-style tulle dress built for easy on/off and colorful princess-themed play
Mermaid-inspired kids dress with teal tulle layers and embroidered top. Includes headband or jewelry accessories; versatile for parties, cosplay, and photoshoots. Customers note its fit, full skirt, and magical look
- embroidery details with tulle layers
- over sized bowknot with front/back versatility
- includes matching accessories
-
6
Princess LED Light-Up Dress with Accessories, app-controlled, blue gems
Best for interactive play: LED light-up dress with app control and accessories for customizable light effects
Light-up princess dress for girls with LED sewn in lining, three-tulle layers, and blue gem details. App-controlled with music sync for dress-up play or themed events. Customers note accurate sizing and bright glow that enhances Halloween costumes
- LED light-up dress with sewn-in lights
- Three-layer tulle for elegant silhouette
- App-controlled with music sync
-
7
Girls Mermaid Princess Dress with Headband
Best for accessory bundles: mermaid dress that pairs headwear with tulle layers for coordinated costume play
Mermaid-themed kids dress with teal tulle layers and white-embroidery accents. Comfortable all-day wear with detachable back bow for styling options. Customer note: the fullness of the skirt adds a magical, princess-like look
- 3-layer full skirt
- detachable bowknot
- includes accessories
-
8
Tutu Dreams Hawaii-inspired Girls Tutu Dress with Fern Headband
Best for island-themed dressing: Hawaii-inspired tutu dress with fern headband for festive, layered looks
Handmade hawaiian tutu dress with tropical leaves and floral accents. Vibrant green-red design with a soft interior and full skirt; customers note accurate fit and high comfort, though some mention leaves may detach with wear
- tropical leaf decor
- front monstera leaf accents
- soft lining for comfort
-
9
ReliBeauty Pioneer Girl Dress Colonial Costume
Best for historical or school events: pioneer-style colonial dress with period-appropriate details for classroom presentations
Girls' pioneer dress costume with apron and bonnet. Comfortable, cotton lining, and non-itchy fabric. Customers note good fit and versatile use
- cotton lining for comfort
- includes coordinating accessories
- flower print with self-tie neckline
-
10
ReliBeauty Pioneer Girl Dress Colonial Prairie Costume
Best for budget historical wear: prairie-style pioneer dress that offers simple construction for history-day use
Cute pioneer dress costume with bonnet and pinafore; features cotton lining and lace collar for comfortable wear. Customers note good quality fabric and comfortable fit
- cotton lining for comfort
- complete set with bonnet and pinafore
- dress features flower print and self-tie neckline