Formal Dresses for Girls, Tweens & Teens
Refined Styles for Ceremonies, Services & Special Events
Our collection of formal dresses for girls, tweens, and teens is designed for moments that call for a polished and elevated look. These styles are ideal for ceremonies, religious services, formal gatherings, and meaningful celebrations.
Each dress is selected with attention to fit, comfort, and timeless design. You’ll find classic silhouettes, longer and midi lengths, and refined fabrics that feel appropriate, comfortable, and beautifully put together throughout the event.
Families often choose formal styles for occasions such as bat mitzvah services, school ceremonies, and formal celebrations. For events with a more celebratory feel, many also explore our wedding guest dresses.
Made in Los Angeles, Un Deux Trois formal dresses are available in sizes 4–6X, 7–16, and extended sizes up to 22. For families seeking a truly personalized look, we also offer a custom dress service tailored to her occasion.
Still browsing? View all of our girls dresses or explore milestone styles in our graduation dresses collection.