Looking for the best dress to wear to a summer wedding in 2025? These 15+ plus size outfit ideas are perfect for any celebration—casual, classy, outdoor, or black tie. From elegant evening gowns and simple midi dresses to short and flowy styles made for dancing, each look is flattering, confident, and effortlessly stylish. Whether it’s a beach party, garden wedding, or formal evening affair, you’ll find the perfect fit right here.