What are the 26 most popular girl birthday party themes for 2021? Check out the list, to find out. And notice the new entrants, like TikTok parties and spa parties!
As we all itch to throw parties again, we hope these ideas get you inspired and planning. These party themes are all on trend!
Many of these birthday party themes for girls are long-time favorites while others are new and trendy.
These Are the Most Popular Girl Birthday Party Themes for 2021
TikTok parties have blown up on Catch My Party. They are everywhere, so you can be sure they will be the trend of 2021!
They are a wonderful summer theme, especially if you're having a pool party.
You can never use too many mermaid tails and shells!
They continue to be one of the most popular party themes out there and are a magical trend that girls love.
Don't miss these unicorn birthday party supplies.
And decorate your party on a budget with our free unicorn party printables.
Minnie Mouse parties are especially popular for 1st birthdays.
Take a look at these wonderful Minnie Mouse birthday party supplies.
And we also offer free Minnie Mouse party printables to decorate your party!
With so many princesses to choose from, such as Elsa, Moana, and even classical ones such as Cinderella and Snow White, there are so many possible princess party themes to be had.
You'll have a hard time picking out a favorite!
Take a look at these wonderful princess birthday party supplies.
And if you want free printable party printables to decorate your party, we've got those too!
It's a beautiful theme to take outdoors when the weather is gorgeous.
Use flowers, birds, and butterflies as a party decoration and you can't go wrong!
Take a look at these whimsical garden birthday party supplies.
Decorate with as much pink and black as you can to create the ultimate Barbie look!
Don't miss these stylish Barbie birthday party supplies.
And if you are looking for some free vintage Barbie party printables to decorate your party on a budget, we've got those!
The theme is so popular at the moment with girls.
Go with a colorful pastel color scheme to make your party absolutely delicious!
Don't miss these wonderful donut birthday party supplies.
And if you're looking for free donut party printables to decorate your party on a budget, we've got those too!
It's a great theme for a summer party where everyone wants to cool off in the heat.
It's also a great excuse to create an ice cream bar and go wild with all the toppings!
Take a look at these cool ice cream birthday party supplies.
10. Trolls PartiesA Trolls birthday party is a magical theme for fans of the movie.
The movie was such a hit that since it came out, we've seen so many Trolls birthday parties on Catch My Party.
It's a great excuse to use loads of color and give out a bunch of hugs! I think we could all do with one.
Check out these fun Trolls birthday party supplies.
11. Tea PartiesTea parties are so elegant and such an amazing party theme for those that long for an afternoon of high tea.
Treat your guest to an assortment of fine teas, pretty sandwiches, scones, and pastries.
Take a look at these stunning tea party birthday party supplies.
12. Llama PartiesAnother hot party theme for 2021 is undoubtedly a llama party.
Like flamingo and unicorn parties, llama birthday parties are a massive hit with girls and are a great excuse to add some color and fiesta to a birthday!
Take a look at these wonderful llama birthday party supplies.
13. Spa PartiesThere's nothing that compares to an afternoon of pampering with your girlfriends.
Treat your guests to the ultimate spa treatment. The girls are going to love the special treatment and leave so relaxed.
Don't miss these fantastic spa birthday party supplies.
If you'd like some fun free spa party printables, download them here!
We saw an increase in popularity of LOL Suprise Dolls parties over the past couple of years, and 2021 looks set to be another big one for them.
Check out these amazing LOL Suprise Dolls birthday party supplies.
15. Woodland PartiesChildren love cute little animals like foxes and deer, which is one of the reasons why woodland parties are so loved by girls.
The theme is so feminine and is a great excuse to add adorable animals and lots of flowers.
Don't miss these lovely woodland birthday party supplies
16. Flamingo PartiesFlamingo parties, similar to unicorn and llama parties, are one of those party themes that is going nowhere in 2021!
Add some tropical flair to a birthday with lots of tropical flowers, pineapples, and as many flamingos as you can get your hands on.
Take a look at these fabulous flamingo birthday party supplies.
17. Moana PartiesAnother movie that is now an incredibly popular party theme is Moana.
Her story is such an inspiration for girls, which is why Moana parties such a sought-after party theme.
Take your guests to a distant tropical island without ever leaving your town.
Don't miss these beautiful Moana birthday party supplies.
And if you'd like some free Moana party printables to decorate your party, we've got those too!
18. Safari PartiesSafari parties are everywhere right now. It has to be one of our most popular party themes on Catch My Party, especially with boys!
So if your daughter is wild about safari or jungle animals you really can't go wrong with this party theme.
Take a look at these stunning safari birthday party supplies.
And if you're looking for budget decorations, download our free safari party printables.
19. Dinosaur PartiesAnother theme that has become a massive trend during 2020 are dinosaur parties.
Boys can't seem to get enough of them and girls are now also catching on.
So if you have a girl that is crazy about T-Rex's and Velociraptor's look no further. This theme is the perfect choice for her!
Take a look at these fun dinosaur birthday party supplies.
20. Frozen PartiesFrozen parties have always been a massive trend and girls really can't seem to let them go.
Anna and Elsa continue to enchant girls with their love for each other and their amazing songs.
A Frozen themed party is guaranteed to warm everyone's heart
Take a look at these magical Frozen birthday party supplies.
And if you'd like fun free Frozen party printables to decorate your party, we have them!
21. Carousel PartiesIf you'd rather go with a more vintage theme then a carousel party is a perfect choice.
Who can resist a gorgeous carousel and the stunning horses?
You can bet you'll have a memorable party to look back on.
Take a look at these wonderful carousel birthday party supplies.
22. Boho PartiesAnother very popular feminine party theme for 2021 is a boho party.
If you're looking for a theme that is more in touch with nature and more eclectic, then look no further!
Boho parties are a wonderful choice for those who love a whimsical party with a feminine touch.
You can never have enough flowers, teepees, and dreamcatchers, right?
Take a look at these wonderful boho birthday party supplies.
So let your guests dive into a magical underwater extravaganza and treat them to a fun time!
Take a look at these delightful under the sea birthday party supplies.
24. Rainbow PartiesThese past couple of months we've seen an increase in rainbow parties.
They are starting to pop up all over the place and I would bet that 2021 is going to be the year of the rainbow party!
You can either go with a colorful party jam-packed with every color under the sun, or for something more muted but equally as beautiful with a boho themed rainbow party.
Whatever you go for you'll be right on trend!
Take a look at these wonderful rainbow birthday party supplies.
25. Parisian PartiesParisian parties are a wonderful theme for those that love to travel and everything chic!
It's such a stylish theme that is so elegant and feminine.
Serve your guests macrons and croissants and before you know it they'll be speaking French!
Don't miss these sophisticated Parisian birthday party supplies.
It's a great theme if you want to add a shabby chic look to your party, and if 2020 is anything to go by, expect 2021 to be another great year for Alice in Wonderland.
Don't miss these beautiful Alice in Wonderland birthday party supplies.
Need more girl birthday party ideas and inspirations?
- 12 Popular Girl 1st Birthday Themes
- Perfect Girl 1st Birthday Party Supplies
- Beautiful Girl 1st Birthday Party Invitations
Need girl birthday craft ideas?
- Boho Dreamcatcher DIY
- Make Your Own Easy Unicorn Headband Craft
- Shabby Chic Bunting DIY
- No-Sew Tulle Table Skirt DIY