Celebrate the season in style with our latest collection of women’s party dresses, your go-to for every night out, festive event, and special occasion. Choose a sleek black party dress that never goes out of style or a glamorous long sleeve occasion dress perfect for cooler evenings. This edit is made to help you sparkle all season long. Dial up the drama in party midi dresses that balance elegance and ease, or turn heads in Christmas party dresses crafted with shimmering sequins, plush velvet, and metallic finishes. For fall/winter, pair your dress with heeled boots and a faux fur jacket for a chic cold-weather twist, or layer with a tailored blazer for a polished evening look. Whether you’re dancing the night away or celebrating in style, River Island’s party dresses bring the perfect blend of comfort, confidence, and standout glamour.