Your ideal gown’s shape is partly based on the style you like, the venue, and mood of your wedding, and also what flatters your body most. A fit-and-flare is both contemporary and traditional and works on many body types, whereas a simple sheath is best on tall, willowy brides. A voluminous ball gown adds drama, but can overwhelm a petite frame. Mermaid styles show off curves like your favorite pencil skirt.