A fitted sheath, mermaid or trumpet gowns will accentuate your curves (or create the illusion of them).
Pleats or gathers around the waist can magnify it. A well-fitted high-waist and loose skirt will combat this.
When in doubt, consider an A-line gown
Gowns by blini
Originally published at https://www.youtube.com/watch?v=LQ6iIxm4Oas