I ordered Big Girl 10-12 for my 9 year old daughter who is slim and about 74% tall. The swimsuit fits well and leaves extra room for growth. She will probably be able to wear it for another year, but it is very doubtful that she will be able to wear it at 11 years old. The fabric is thick and nice so it doesn't show too much of her breasts but it suits her well. Color, quality, design, comfort - everything is great! Just be careful with the size.
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