Shopping for maternity wedding dresses online is no longer the gamble it might once have been. Plus, if it's not in your closet, you won't be tempted to wear it every day until the wedding. 4. An oversized sweatshirt dress that proves wearing a dress doesn't have to mean dressing up. In events at night, such as a tomb night, going to the disco, military ball or a party with friends you can also use short dresses, with these you will feel more comfortable when dancing.