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15+ Girls Party Themes for 2026

Girls Birthday Party Ideas 2026

The #1 requested theme changes by age: unicorns (ages 3-5), mermaids (ages 5-8), and spa days (ages 8-12). Pick their age group and we'll point you to the right theme — each one has a full plan ready to go.

15+ Themes
Ages 1-12
$150-$500 avg
2-3 hour parties

How to Plan a Girls Birthday Party in 2026

The best girls birthday parties feature creative themed activities like craft stations and dress-up, a themed menu with 8-12 items, coordinated decorations, and take-home party favors. The most popular themes for girls are unicorns, princesses, mermaids, and spa days. Most parties last 2-3 hours and cost $150-$500 depending on guest count and venue.

Top Theme
Unicorn
Best Activity
Craft Station
Average Cost
$150-$500
Planning Time
3-4 weeks

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Most Popular Girls Party Themes 2026

The most searched birthday party ideas for girls this year

See interactive party examples

Girls Party Themes by Age Group

👶Toddler Parties (Ages 1-3)(20 themes)

🎡Carnival Fun🩰Ballet Dreams🫖Tea Party🌈Rainbow Party🧚Enchanted Garden👸Royal Princess🧜‍♀️Under the Sea🦄Magical Unicorn🍭Candy Land🍩Donut Party🍦Ice Cream Social🦋Butterfly Garden

🧒Little Kids Parties (Ages 4-6)(33 themes)

🎡Carnival Fun🩰Ballet Dreams🫖Tea Party🌈Rainbow Party🎨Art Studio👨‍🍳Little Chefs🔬Science Lab🌀Tie-Dye Party🎩Magic Show🎬Movie Premiere🔎Detective Agency🎵Music Party

Girls Birthday Party FAQs

What are the best birthday party themes for girls?

The most popular girls birthday party themes in 2026 are unicorns, princesses, mermaids, fairies, Frozen, Barbie, spa days, rainbow parties, and ballerina themes. Creative and fantasy themes with dress-up elements are consistently the biggest hits for girls ages 3-12.

How much does a girls birthday party cost?

A typical girls birthday party costs $200-$500 in 2026. At-home parties with DIY decorations can be done for $100-$200. Themed venue parties at pottery studios, dance studios, or spa facilities run $400-$800+ including venue fees, activities, and favors.

What are good birthday party ideas for 6-year-old girls?

The best party themes for 6-year-old girls in 2026 include unicorn magic parties, mermaid adventures, Frozen celebrations, fairy garden parties, and Barbie dream parties. Creative themes with crafts, dress-up, and collaborative activities work best at this age.

What activities work best at girls birthday parties?

Top activities for girls parties include themed craft stations, treasure hunts, dance parties, fashion shows, spa activities (nail painting, face masks), scavenger hunts, DIY jewelry making, and cooking or baking stations. Plan 4-6 activities to fill a 2-3 hour party window.

What age is most popular for girls birthday parties?

Ages 4-8 are the peak party years for girls. At this age, girls love themed dress-up celebrations and creative activities. First birthdays and milestone parties (like "two-nicorn" for turning 2) are also very popular among parents.

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Curated by Party Genius | Last updated February 2026