If you don't want to stress too much about the event planning that you have been appointed, then you should consider hiring an event planner. In fact, this is the best choice you can make for a big event. Organizing a big event means stressing a lot about numerous small details that seem not too matter too much but that actually matter a lot. Of course, this is not everything: planning an event also means getting numerous problems solved. If you are not good at finding solutions to all sorts of problems, then you should definitely hire a professional, highly experienced event planner.