COVER
Kristen Wiig: Sequin-embellished tweed jacket, $9,000, wool belted trousers, $1,200, by Marc Jacobs, at Marc Jacobs stores nationwide, visit marcjacobs.com. Lace and silk chiffon bra by Morgan Lane, $210, visit morgan-lane.com. Diamond and platinum earring by Chopard, price on request, at Chopard boutiques nationwide, call 800-CHOPARD or visit chopard.com. Diamond and white gold ring by Ana Khouri, $15,600, collection at Barneys New York. Melissa McCarthy: Silk charmeuse blouse, skirt by Prabal Gurung, prices on request, collection at nordstrom.com. Tanzanite, blue sapphire, diamond, and platinum earrings by Martin Katz, $78,000, at Martin Katz (Beverly Hills), visit martinkatz.com. Diamond and rose gold bracelet, $52,525, diamond, white gold, and black rhodium bracelet by Kimberly McDonald, $55,000, collection at Forty Five Ten (Dallas). Kate McKinnon: Wool and silk blazer, $2,945, wool trousers, $1,295,…