1920s style drop-waist dress for theatre or cosplay costume.  I recommend allowing 2-3 inches of ease (added to your body measurements) to maintain the boyish silhouette of the era.  

Short sleeve chiffon dress in butterfly print with drop waist and full soft flow skirt.  Center back zipper.  Lined.

Flat measurements are:  22 at full bust; tapering to 23 at drop waist; 23 nape to drop and 43 nape to hem.