For the sheath dress be sure to balance the upper and lower body. V-necklines and cowl necklines will deemphasize your shoulders. Make sure the fabric has stretch or extra room at the top.
A sheath dress that has a front wrap will have a nice drape and will accentuate your waist and hips. The v-neckline created by the wrap draws attention to your face.
A-line or Flared
An a-line or flared dress will create balance between your upper and lower body. This silhouette will create a curve at the waistline but the sleeveless design will accentuate your shoulders.
A-Line or Flared
The v-neckline on an a-line or flared dress will bring focus to your face. This is a good silhouette for you.
A column dress will cover your body well but can make you look boxy. Choose v-necklines or belt in this shape to deemphasize your shoulders.
A column dress will look boxy however, this could work if you were to add a belt and if the dress were to have a v-neckline. Play with dress length.
A knit or fitted dress can be worn with a cardigan or jacket that has a collar or deep shawl collar to slim your shoulders. Add a belt to balance your silhouette.
A knit or fitted dress with a solid top and printed bottom provide good balance for your broad shoulders and narrow lower body. A v-neckline works well for your body.
An empire dress that has a v-neck will draw attention to your face. Thin straps and empire line could emphasize your upper body therefore, a soft, light weight cardigan or long a-line skirt will help bring balance.
An empire dress will emphasize your upper body and is not the best choice for your body shape.