Get ready to celebrate with these birthday cake decorating ideas. From simple sprinkle-covered cakes to elegant 2-tier unicorn cakes, these birthday cake ideas are sure to make wishes come true.

Whether you’re celebrating the birth of a new baby or a Sweet 16, these birthday cake ideas are worthy of a good time! Most can be customized with your party colors and several offer plenty of room for added personalization, such as a piped birthday message or a colorful cake topper.

1. Bright and Bold Birthday Cake

Not only is this cake bursting with color, it’s also slam-packed with delicious flavor! Blueberry Lemonade Candy Melts and Key Lime Pie icing combine for a summery dessert that will surely surprise your guests.

2. Hip, Hip Hooray Birthday Cake

Add some sophistication and elegance to your summertime desserts with these rose champagne cupcakes. Delicate rose water and sweet champagne combine for a light and refreshing treat that pairs perfectly with a glass of your favorite bubbly beverage.

3. Sprinkle on the Fun Birthday Cake

Every birthday deserves a great cake, and this sprinkle-covered dessert will be party-ready in no time! Topped with simple buttercream rosettes, this cake is a great way to use up any sprinkles you may have hanging around and is easy to customize to suit any color scheme.

4. Pretty in Pink Buttercream Cake

From girly baby showers to 18th birthdays, this pretty pink cake is a wonderful way to celebrate the special lady in your life. Simple decorating techniques make this easy enough for even the most novice decorator, and a cute border of sprinkles is all you need to finish it off!

5. Pink and White Checkerboard Cake

This cake may look simple from the outside but, once you cut in, guests will be wowed with the colorful checkerboard surprise. Great for a gender reveal party or birthday celebration, this cake features a combination of pink and confetti cake batter to form the checkerboard.

6. Cheer Buttercream Cake

If you’re looking for something a little more elegant, try this sparkling cheer cake. To customize your message, simply cut your letters out from waxed paper, place them on your cake, then cover the cake with silver pearlized sugar sprinkles (or whatever sparkling sugars you want). Top your cake with a border of buttercream swirls for a stunning masterpiece almost too amazing to eat!

7. Sparks of Color Birthday Cake

This cake is literally exploding with color! Decorated with candy shards, rock candy pops, gumballs and more, this colorful cake is sure to be one your birthday girl will remember! You can even customize it with frosting and candy colors that match your party scheme.

8. Happy Birthday Cake

This cake has nothing but sweet words to say! Topped with edible HBD! icing decorations, this simple birthday cake is another great one for all you beginning decorators out there. Use any combination of sprinkles you want to make a colorful and fun border.

9. Confetti of Fun Striped Cake

Perfect for smaller celebrations, this confetti cake is decorated with a striped buttercream pattern, then topped with a rope border. You can personalize this cake with a piped message in the center or add some candles for a quick and easy finishing touch.

10.Sparkling Unicorn Cake

Make birthday wishes come true with this magical 2-tier unicorn cake. Great for larger parties, this cake may take some time to complete, but it’s well worth it! The striking unicorn mane is made using simple piping techniques, such as stars and rosettes, so no special skills required!

11. Ring of Rosettes Cake

This is one on-trend cake worth celebrating! Decorated with black and white stripes and crowned with a ring of buttercream rosettes, this striking cake is perfect for celebrating your favorite fashionista!

12. Tropical Time Birthday Cake

If your birthday girl is celebrating a summer birthday, this is the cake for you! Topped with a candy topper and decorated with festive summery icons (also made of candy), this bright and colorful cake is perfect for BBQs or pool parties.

13. Rainbow Fault Line Cake

Bursting with bright, vibrant hues, this fault line cake is a girl’s wish come true. With plenty of room to add a personalized birthday greeting or fun cake topper, this cake can be decorated to match any party theme. Combining two popular trends in one, this cake is also trend-forward and Insta-worthy!

14. Birthday Balloon Cake

Take off for birthday fun with this balloon cake. Easy to customize using your favorite colors of Candy Melts candy, this cake is great for little and big birthday girls alike. Top your cake with some candles and you’re all set to celebrate.

15. Enchanted Energy Cake

Sparkling with candy crystals, this stunning fault line cake is truly a wonder to behold. Candy Melts candies are melted down and carved to create these sparkling gems, then they’re arranged in a sprinkle-covered mound to add enticing energy to this beautiful dessert.

16. Pastel Birthday Cake

Looking for something quick and easy to make for an upcoming party? Look no further than this pastel cake. Big enough to feed a crowd, this cake is decorated with a colorful sprinkle mix then topped with candles for a simple cake you can whip up in no time.

17. Happy Birthday Fault Line Cake

Featuring colorful buttercream swirls, a rainbow fault line center and edible candy letters, this birthday cake pulls out all the stops! Use your favorite cake mix or recipe (we suggest a confetti cake), then top your treat with some candles for a dessert that’s sure to wow your friends!

18. Blooming Floral Birthday Cake

If you can squeeze an icing bag, you can make these blooming buttercream flowers! Decorated using Easy Blooms decorating tips, this cake is a great project for beginners. It also has plenty of room for personalization. Pipe a Happy Birthday message, or just leave it as is to let the flowers do all the talking!


Which of these cakes are you planning to make for your birthday celebration? Let us know in the comments below! And if you’re celebrating a birthday this summer, be sure to share a picture of your cake on Instagram and tag us @wiltoncakes so we can see it!

18 Amazing Birthday Cake Decorating Ideas

Get ready to celebrate with these birthday cake decorating ideas. From simple sprinkle-covered cakes to elegant 2-tier unicorn cakes, these birthday cake ideas are sure to make wishes come true.
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