1
Look for an online company that offers formal gown rental. If you're looking for designer dresses for your prom, look at Alexandria's Formal Gown Rental and One Night Affair.
2
Choose the type of prom dress you wish to rent. You may want to look at a few prom publications, like Teen Prom, to get an idea about the style of dress you desire. Popular prom dress designers include Jessica McClintock, Rampage and Cache.
3
Place an order for the formal gown you wish to rent. Most of the gown rental sites allow you to keep the dress for a week or more. Get the dress as early as possible in case it does not fit or arrives damaged.
4
Receive the prom gown by mail. With the prom dress, you'll receive a prepaid return envelope or box. Ship the gown back to the company following the event.