EXCLUSIVELY AT NEIMAN MARCUS       Aidan Mattox embroidered gown with floral beading. Approx.  50. 1"L down center back. Bateau neckline; deep V back. Three-quarter bell sleeves. Lace yoke and sleeves. A-line silhouette. Hidden back zip. Floor-length hem. Polyester self/lining. Dry clean. Imported.