While we anxiously await Amazon's Fall Prime Day, we're filling the time by finding fashion deals that are already on sale. On today's list: Flattering fall dresses that hide the tummy and add a slimming effect. We compiled a list of the 17 loose and slimming dresses you can add to your closet this fall. Our team included comfortable shirt dresses with loose fits, maxi dresses with floral prints and classic button-down dresses that are both stunning and affordable. Let's dive in! 17 Slimming Fall Dresses That Hide the Tummy 1.