Maggy London Vintage 80s Blue Silk 2 Piece Prom Party Formal Dress sz 12

This is a Maggy London vintage party dress. Label says size 12,  See measurements below. This is a 2-piece dress. In good vintage condition. From a pet free, smoke free home.  Size: 12 Top Armpit to Armpit: 21" Flat Waist: 17.5" Flat Hip: 21.5" Flat Skirt Waist: 14.5" Flat Hip: 29" Flat Length: 35.5" Maggy London Elastic in skirt is no longer stretchy. Some spots. Natural imperfections in silk. Buttons have wear. Lining is discolored