Formal gowns are elegant dresses typically worn for special occasions such as weddings, galas, or proms. They are often made from luxurious fabrics like silk, satin, or chiffon and can feature intricate designs, embellishments, and varying lengths. These gowns come in various styles, including A-line, mermaid, and ball gown, catering to different body types and personal preferences. Accessories like jewelry and clutches are commonly paired with formal gowns to enhance the overall look, making them a popular choice for formal events.