Carolina Herrera is known for doling out pretty, ladylike designs every bridal season. However, for the fall 2013 collection she debuted this week, her assortment got an extra dose of sexy with a few mermaid silhouettes that stood out among more traditional ballgowns and columns. The formfitting silhouettes, which also featured intricate embroidery, tiers and covered buttons, were definite showstoppers with va-va-va-voom appeal. And wait until you see the backs! Talk about "Wow" factor. Check out all of the looks in the gallery.