linen sleeveless dress ACADIA in Deep Navy Blue ideal for sunny getaways and leisurely days. Cooper Linen Sleeveless Mini Dress

With a chic off-the-shoulder neckline and romantic lacy fabric, this gown embodies all the elegance of a longer gown, while still giving you a look that feels unique and casual and shows off your killer heels

Buy Womens Casual Flowy Chiffon Maxi Floral Dress A-line Ruffle Short Sleeve V Neck Empire Waist Long Vacation Dresses and other Casual at Amazon.com

This dress by Modern Sewing Patterns is called a Wedding Dress, but I think it makes a very nice formal prom dress gown

There are many styles of sexy wedding dresses to choose from that will help you achieve that perfect mix of elegant and alluring, but it will always boil down to what feels right for you