If you haven’t heard - this year, National Pizza Day falls on May 18th. Of course, the best way to observe this holiday is to host a party themed around pizza. However, if you believe that ordering a stack of pizzas is too trivial while slaving over a hot stove sounds a bit intimidating to you, tuck all your worries away and throw a grandeur build-your-own-pizza bash. Photo by Suzy S. To get into the “pizza” vibe, you can transform your party space into a makeshift pizzeria. All you need to do is to cover your tables with checkered linens...