COVERS (FRONT AND INSIDE) On the close-up swimwear cover, on Venus: Sara Cristina one-piece, $350; saks.com. Cartier Panthère de Cartier earrings, price upon request; 800-CARTIER. On Serena: Norma Kamali one-piece, $150; normakamali.com. Cartier High Jewelry earrings and necklace, prices upon request; 800-CARTIER. On the full-length cover with gowns, on Serena: Gucci cape gown, $43,000; gucci.com. Cartier High Jewelry earrings, price upon request; 800-CARTIER. On Venus: Valentino gown, $8,900; 212-772-6969. Cartier Panthère de Cartier earrings, price upon request; 800-CARTIER. EDITOR’S LETTER Page 60 On Venus: Gucci coat, $24,500; gucci.com. Fleur du Mal bouquet lace catsuit; similar styles at fleurdumal.com. On Serena: Balmain dress; balmain.com. TABLE OF CONTENTS Page 79 On Serena: Cartier High Jewelry earrings and necklace, prices upon request. On Venus: Cartier Panthère de Cartier earrings, price upon request. Necklace:…