From sweet Tweets to full-blown Facebook pages, expectant parents are discovering new ways to share the joy in revealing the sex of their baby. Adding to the excitement is the Baby Reveal party — a celebration to announce whether the stork will fly in a boy or girl. The unique twist? Sometimes the mom and dad don’t even know what they’re having until the event’s big surprise. Whether you’re in the know and sharing the good news or you’re just as clueless as your guests, here’s how to your host own Baby Gender Reveal party.