semi formal dresses for tweens KAGAYD Tween Girls Elegant Kids Dress Irregular Ruffle Hem Dresses Size 5~13 Years (White, 5-6 Years): Clothing, Shoes & Jewelry Royal Blue Puffy Ball spring-edit and fall seasons Size:7.5 Standard / D / Medium

semi formal dresses for tweens KAGAYD Tween Girls Elegant Kids Dress Irregular Ruffle Hem Dresses Size 5~13 Years (White, 5-6 Years): Clothing, Shoes & Jewelry Royal Blue Puffy Ball spring-edit and fall seasons Size:7.5 Standard / D / Medium

Royal Blue Puffy Ball Gown with Off the Shoulder Neckline EN5304 Size 12 / Blue

While not strictly a unisex brand, Cos is well known for its boxy silhouettes and versatile designs

spring-edit

Size:7.5 Standard / D / Medium

Its timeless V neckline makes it a classic v neck evening gown, while the subtle leg slit gives it that extra edge — think evening dress split leg elegance without going overboard

and fall seasons