Your little one's birthday deserves an outfit as special as they are. Whether you're planning a flamingo bash, a rainbow party, or a classic princess celebration, we've rounded up five of our favorite birthday looks for baby girls and toddlers.

1. The Flamingo Birthday Romper — Perfect for Tropical Themes

Nothing says "birthday girl" like a playful flamingo romper in hot pink. Our Pink Flamingo Baby Romper is designed for first birthdays and beyond — adjustable straps, soft fabric, and a look your guests won't forget. Pair it with a matching headband from our accessories collection for the full look.

2. Rainbow Romper — For the Rainbow Baby Party

Rainbow birthday parties are one of the most popular themes for little girls right now — and our Baby Girl Rainbow Birthday Romper was made for exactly that. The bright, cheerful colors photograph beautifully, making it a favorite for smash cake sessions and first birthday portraits.

3. Tutu Dress — A Classic Birthday Look

You really can't go wrong with a tutu. Our Pink Gold Trimmed Tutu is a bestseller for 1st birthdays — soft, fluffy, and absolutely camera-ready. It's the kind of dress that looks just as good covered in cake as it does walking into the party.

4. Red Heart Tutu Dress — Valentine's Birthday or Holiday Party

Born in February? Our Toddler Girl's Red Heart Tutu Dress is a showstopper for Valentine's birthdays and holiday parties alike. The heart detailing makes it feel extra festive without being overly costume-y.

5. Vintage Lace Romper — For the Boho or Garden Party Theme

If you're going for an elegant, vintage, or garden party vibe, our Vintage Lace Rose Romper is the one. Delicate lace details and a timeless silhouette make it perfect for photos, milestone sessions, and birthdays with a softer aesthetic.

Tips for Choosing the Perfect Birthday Outfit

• Match the theme: Pick colors and patterns that complement your party palette
• Think about photos: Solid colors and bold prints photograph better than busy patterns
• Comfort matters: A cranky birthday girl is nobody's friend — choose soft, breathable fabrics
• Size up slightly: Babies grow fast. If she's between sizes, go up one so the outfit fits on the day

Every order from C&S Collection comes in gift-ready packaging — perfect if someone else is buying the birthday outfit as a gift. Shop all birthday styles here.