If your goal is to dress rich, you might think you have to shop at Aritzia or even fancier, Banana Republic. But Amazon is a secret goldmine for expensive-looking pieces, including classy blazers, sleek blouses, polished shoes and secretly comfy trousers. Better yet, they start at only $6! Whether you’re scouting chic office pieces or simply want to be the brunch fashionista, these luxe picks have you covered. They transition beautifully from summer to fall, meetings to margaritas, so don’t be surprised if you wear them nonstop. Scroll on to look like a rich corporate girl without spending lik...