A big-deal dress done your way, with a vintage-chic coverup. Strapless organza-and-satin ball gown with a sweetheart neckline and gathered waistband, $1,900, Henry Roth. Cropped black and white bow jacket, $400, Milly. Earrings, House of Lavande, 561-802-3737. Gloves, Gaspar Gloves. Groom: Shirt, Eton. Vest, Tallia Orange. Tie, Paul Smith. Pants, Black Fleece by Brooks Brothers. Shoes, Magnanni.