Carefree, elusive, and utterly glamorous is the look. Strapless ruched bodice with sweetheart neckline and narrow, draped skirt, $3,960, by Monique Lhuillier. Khaki trench coat, $995, by Burberry London. Sunglasses, by Dior, $220. Pearl earrings, $35, by Carolee. Pearl necklaces, $115, and $125; three-row pearl bracelets, $75 each, all by R.J. Graziano, 212-685-1248. Kidskin gloves, $200, by LaCrasia Gloves. Patent-leather shoes, $535, by Christian Louboutin, 212-396-1884.