Mother or grandmother dress for wedding

Size 16W. Slate grey, 2 piece chiffon and lace dress. Just below knee, sleeveless with beautiful lace front ending just below waist. Polyester fabric. Fully lined. Back zipper. Open Chiffon jacket, with cascading hemline and cuffed sleeves with lace detail. Never worn. New with tags. Measurements Dresz Bust: 44” Front Shoulder to bottom hem: 40” Waist: 42” Measurements - jacket Bust: 44” Front/back shoulder to bottom hem: 39” Sleeve width total : 14”