My 8 y-o who is chubby (wears either a size 12 or a 14-16 girls in US sizing) fit in the 13-14 y-o size really well.
She’s a little on the shorter side and is apple-shaped.
Sparkly Gymnastic Leotard For Girls With Shiny Diamond Detailing - Perfect For Ballet And Dance Performances
6 Review
Girls Gymnastics Leotard Shiny Diamond Ballet Dance One Piece Outfit BAOHULU
36 Review
Gradient Shiny Diamond Gymnastics Leotard For Girls - BAOHULU Dance One Piece Outfit
4 Review
Comfortable And Stylish Gymnastic Leotard For Girls With Matching Scrunchie
6 Review
Pack Athletic Performance Basketball Drawstring Girls' Clothing
48 Review
C9 Champion Girls Supersoft Bright Girls' Clothing and Active
46 Review
Hollhoff Gymnastics Playgrounds Shorts - Breathable Clothing for Girls
48 Review
Amazon Essentials Little Short Sleeve Leotard Girls' Clothing for Active
61 Review