Are you looking for cute, adorable trendy birthday outfits for your little girl? We love our sweet and glam mermaid collection for girls. These make the perfect first birthday tutus and outfits for any birthday girl. These outfits are adorable for pictures and birthdays. Our mermaid outfits are the perfect fit for summer birthdays and photo shoots. Celebrate the next Under the Sea birthday party in these sparkly handmade mermaid baby rompers or girl mermaid dresses. Let us help you create special memories with your littles and Belle Threads tutu dresses!