No matter the occasion, no matter the day, you know Kate Middleton, Princess of Wales will show up in style. Time and time again, Kate embodied the sought-after British royal family fashion sense, from whimsical hats to colorful ensembles. But the one trend we see more and more from her is that we see her rocking the monochromatic trend. For those that don't know, the monochromatic color trend is when someone styles themselves in one color of a single hue, giving a very visually appealing…