XS/S Wedding/Prom/Grad/Formal ivory dress as top/skirt

Two piece ivory/cream colour top and skirt wedding or prom outfit. Worn once, excellent condition. no smoking home. Lacey, sleeveless top buttons up the back, fully lined and boned front, cup size A/B. Organza handkerchief skirt has 2 layers of slightly shimmery organza over 2 layers of solid fabric. Skirt is slightly longer in the back than in front. Zipper at back. Waist has been taken in and could be let out to enlarge the waist. Has been altered to daughters measurements so can't say exactly what size it is, please compare garment measurements to your own. Likely its a Extra Small to Small size. There is no stretch to the fabric. Top, measured laying flat: armpit to armpit 16 inches across waist 14 inches across Underarm to waist seam is 8 inches long. Top of shoulder to waist on back side is 15 inches long. Skirt, measured laying flat: Waist 14 inches across Front of skirt is 42.5 inches long Back of skirt is 50.5 inches long No tears or stains. Both pieces machine washable on delicate if you put the top in a delicates bag.