A pale off-shoulder dress with draping shows a shaped upper edge and folds across the close-fitting area. A longer narrow piece hangs at the side. The wearer sits or leans beside a piano, making the skirt arrangement part of the pose. The picture stops before the full hem. It explains the upper design, without establishing the complete length, origin or fibre of the cloth.
Use this reference if you want to test fold placement together with the open shoulder line. Try the actual dress standing first and then on an ordinary chair. Watch where the side piece rests and whether it affects your plans. Ask how it is attached; a hanging strip is not proof of a detachable part. The pale colour remains a separate decision in relation to the invitation. You can enjoy the draping while asking about another colour. Add complete front and rear views before deciding on skirt length, shoes and outer layer. This uses the close image for the questions it can actually support.