A rehearsal dinner is an elegant event. Whether it is set to be a formal or casual affair, a dress is recommened for the ladies and girls. The brides are told to stay away from wearing black. However, an ivory or cream short dress has been a popular option for the one who is getting married the next day. Guests can choose to wear a gem stone color dress, such as an aburgine or a jade. A pastel dress may work as long as it is not to light. No one wants to be taken for the bride! In fact, a little black dress works perfect for a rehearsal diner if you are coming as a guest. Your dress should reflect your personal style as long as it's somewhat classy and tasteful.