Be cute and coy in Priscilla of Bostonís Platinum Collection above-the-knee silk-
organza dress with bias bands (ice cream cone not included), $2,950 at Priscilla
, Wynnewood. David Yurman New Albion diamond and prasiolite ring, $1,400, Silver Ice prasiolite bracelet, $1,500, and Quatrefoil 18-karat white-gold and diamond earrings, $2,600, at McNelis & Sherry
, Haddonfield. Scarf, stylistís own.