Regarding couples that don't live together, send the save-the-date to the party you know best. If ( for some reason) they split up before the wedding, you're not under obligation to invite the SO. (View Post)
Use a cutesy poem. Seriously, just address the invitation to the parties invited. Be aware, though, that some families will be offended if you invite their 17 year old daughter but you don't invite … (View Post)