A: While you shouldn't mislead your guests, you also aren't compelled to take out a full-page ad in your local paper. Your in-laws can tell whomever they like; you don't have to make a peep (but if somebody calls to get the whole story, you'd better come clean). To ensure that everyone who attends the large celebration knows what lies in store, word the invitation as a vow renewal. (Your stationer or an etiquette book will have examples.) And don't worry&mdash'friends and family are sure to understand the circumstances and will be glad to celebrate with you whenever they're invited.