Preparing a great wedding day emergency kit (ahead of the wedding) can really help reduce your stress load when getting ready for your walk down the aisle. Not to mention, if you actually have to use it, it can save the day! You will definitely need one for yourself (as the bride), but consider putting emergency kits together for bridesmaids. You can even surprise the groom and his guys with emergency kits of their own. Here's our list of the absolutely MUST HAVES for the wedding day emergency kit: Phone Numbers (and cell phone numbers) for your wedding day vendors. If someone is late or doesn't show, you need to be able to get in touch with them without having to scramble for their contact information at the last minute. Bottled Water. This will be the most photographed day of your life. It's important to stay hydrated. Try to stay away from energy drinks loaded with caffeine. Straws. So you don't mess up your lipstick. Energy Bars. It's ...