You know how butter tends to melt if you leave it out in the sun for more than a couple of minutes? Well, liquid makeup has the same unfortunate tendency. But it's melting on your face -- not in a dish. To that end, steer away from any liquid eyeliners, foundations or blushes. Instead, pick the powdered or crayon versions to ensure that your makeup stays put from start to finish. In fact, consider applying a primer to help everything stay put. Above all else, top off your look with waterproof mascara. A few tears or sweat droplets are all it takes to turn you from a radiant bride into a rabid raccoon.