Weddings, baby showers and dinner dates are special occasions that require a little extra something, something from your closet. Of course, you have go-to options that you wear on repeat, but for big events, you need dresses that deliver on sophistication, style and comfort. Amazon's Bestseller Hub is filled with cocktail dresses, elevated maxis and flattering sundresses that fit the bill without costing a fortune. These dresses not only deliver that 'rich mom' aesthetic, but they also have hundreds (if not, thousands) of five-star ratings from shoppers who give them their seal of approval.