Need the perfect dress for a summer rehearsal dinner? These 10+ classy outfit ideas are made to impress—without overdoing it. From romantic floral prints to simple solid tones in pink, green, and more, you'll find elegant midi, cocktail, and long dress options for every setting—beach, garden, outdoor patio, or even a semi-formal venue. Light, graceful, and effortlessly stylish, these dresses are perfect for stepping into the celebration before the big day.