What Size Flower Girl Dress Do I Need? A Complete Sizing Guide

Choosing the right size flower girl dress is one of the most important — and sometimes most stressful — parts of wedding planning. Order too small and you're scrambling for alterations; order too large and the silhouette loses its magic. This guide takes the guesswork out of sizing so your little one looks and feels absolutely perfect on the big day.

Why Sizing Matters More for Made-to-Order Dresses

Unlike off-the-rack dresses, made-to-order gowns are crafted to your child's exact measurements. That means getting the measurements right from the start is essential — and the good news is, it's easier than you think when you know what to look for.

The Three Key Measurements You Need

Before you browse our Flower Girl Dresses collection, grab a soft measuring tape and note down these three numbers:

Chest: Measure around the fullest part of the chest, keeping the tape snug but not tight.
Waist: Measure around the natural waist — the narrowest part of the torso, usually just above the belly button.
Waist to knee
Waist to floor
Height: Have your child stand straight against a wall and measure from the top of the head to the floor (barefoot).

For a full step-by-step measuring guide with illustrations, visit our Size Guide page.

How to Read Our Size Chart

Our size chart maps chest, waist, and height measurements to dress sizes. A few tips:

Always size up if your child falls between two sizes — it's much easier to take in a dress than to let it out.
Consider how much your child may grow between now and the wedding date. If the event is 3–6 months away, factor in a little extra room.
For fuller skirts and ball-gown styles, the waist measurement is the most critical fit point.

What If My Child Is Between Sizes?

This is very common! Children grow at their own pace, and standard sizes don't always align perfectly. Here's what we recommend:

Prioritize the chest measurement for fitted bodices — a tight chest is the hardest alteration to fix.
Use the waist measurement as your secondary guide for styles with defined waistlines.
When in doubt, reach out to us before placing your order — we're happy to help you choose the right size.

Tips for a Stress-Free Fitting

Measure your child in the undergarments she'll wear on the wedding day (especially if she'll wear a crinoline or slip).
Take measurements twice to confirm accuracy.
If possible, have a second person help — it's much easier with two sets of hands.

Ready to Find the Perfect Dress?

Once you have your measurements, you're ready to shop with confidence. Explore our full Flower Girl Dresses collection — each listing includes a detailed size chart so you can match your measurements directly to the right size. For special occasions beyond weddings, our Special Occasion Dresses collection offers equally beautiful options for birthdays, recitals, and more.

Still have questions? Visit our Size Guide or contact us — we're here to help your little one shine.