When it's hot outside, wearing sleeveless and strapless dresses can help you stay cool and look effortlessly chic. Us Weekly has compiled a list of 21 shoulder-baring dresses that are perfect for August. The dresses range from casual to dressier options and come in a variety of styles and price ranges. Some highlights include a smocked tiered midi dress for $45, a floral midi dress for $49, and a satin halter dress for $40. Whether you're attending a wedding or going to a cocktail party, these dresses will make you look and feel fabulous.