The little black dress (and tops and pants) is alive and well in the world of maternity clothing. A quick look at expectant stars walking the red carpet, and going about their daily business brings us over a dozen mamas-to-be who've chosen the monochromatic look to cover their growing bumps – despite having every style and color garments at their disposal. And who can blame them? For years women have turned to basic black to create a slimmer, more sophisticated look. Plus, with a closet full of single-color items, dressing for the day requires little thought at all. Take a look at how these pregnant celebrities have pulled off the look.