Discover the Stella McCartney children's clothing collection. Aimed at children aged 0 to 12, the Stella McCartney children's and baby collection offers colorful, comfortable clothing and trendy prints. Stella McCartney uses the same codes that have made the women's collection so successful.o create a children's fashion accessible, eco-responsible and ethical. Each season, the collection surprises us with its creativity, fun prints for girls, skirts, dresses and cardigans that will delight your children.