The last thing on your mind when planning an expensive outdoor wedding is restrooms. In the past, guests would simply line up, holding their noses, outside the rented construction site potty—or find a private bush. These days, thanks to luxury restroom trailer companies, the talk of the party is no longer the catering, the band, the ice sculpture, the guests, or even the bride’s dress - It’s all about the restrooms. High end potties are so sought-after there aren’t enough to keep up with demand—they’ve become the first thing some event planners book.