Actor Jamshid Hashempour in her daughter's wedding ceremony

While you don’t have to have a final guest list until a bit later, when thinking about how to plan a wedding step by step, coming up with an estimated guest count early on is important. There’s a big difference between a 50-person wedding and a 300-person wedding, particularly when it comes to your venue options. So before you start browsing wedding venues, get an idea of how many guests you’ll host.