Gap has a selection of girls party dresses which offers a fresh take on trends by adding subtle details and stylish accents. Enjoy a large selection of cute and comfortable girls party dresses from the GapKids collection. Some of our popular girls party dresses are made from bright, 100% cotton fabric that is washable and looks great. We also offer party dresses for girls with smocked waistbands creating fashionable, blousy fits on the top. Girls party dresses from Gap are the latest, trendsetting fashions.