KARL LAGERFELD VISITS MACY'S HERALD SQUARE, 6 p.m., to launch his "For Impulse Only at Macy's" limited-edition collection. Shop dresses, leather jackets, tops, shorts and more, priced at $50-$170, and at pop-up shops in the Roosevelt Field (516-746-8200), Manhasset (516-869-8500) and Smithaven mall (631-724-4900) stores and online at macys.com/impulse
AUDITION AT A MODEL CASTING CALL (all ages welcome; free makeup touch-ups), stop by the B by Brian Atwood shoe launch party, then catch the latest Valentino and Alexander McQueen handbags. Events run 6-10 p.m. at Saks Fifth Avenue, Walt Whitman Mall; 631-350-1100, with 10 percent of proceeds from sales going to the American Brain Tumor Associaton when you mention the charity at the register.
BLOOMINGDALE'S ROOSEVELT FIELD celebrates the new Dior shoe collection, noon-3 p.m., with informal modeling, Dior makeovers and Champagne. Get a custom sketch of your Dior shoe purchase. Call for appointment; 516-873-2910.
VERA WANG BRIDAL TRUNK SHOW, Spring 2012 collection, at Vera Wang, 1689 Northern Blvd., Manhasset; 516-869-8455.
MEET GIORGIO ARMANI'S CELEB STYLIST TIM QUINN for a one-on-one makeup consultation, 10 a.m.-2 p.m., Sept. 9 at the Americana Manhasset store. A team of Armani face designers offer expert tips, 10 a.m.-6 p.m. on both days. Call for appointment; 516-627-6001.
ROSE TAFT AND MELANIE HARRIS TRUNK SHOWS, with visit by designer Marcia Taft, at Filly's, 1065 Willis Ave., Albertson; 516-739-9090.
LESLIE GREENE JEWELRY TRUNK SHOW, a mix of gold and sterling silver with precious and semiprecious stones, 9-6 p.m. (designer visit until 2 p.m.), at Frassanito Jewelry, 346 New York Ave., Huntington; 631-427-5498.
Below wholesale prices on designer clothing and accessories including Thierry Mugler, Christophe Coppens and Akiko Ogawa, Sept. 6-30, at Showroom Seven, 263 11th Ave., third floor, Manhattan; 212-643-4810. Hours are 11 a.m.-7 p.m. Monday-Friday (happy hour 5-7 p.m.) and 11 a.m.-6 p.m. Saturday. Closed Sundays.
Take 60-85 percent off jeans, tops, dresses, and novelty faux furs from several designers including Dolce Cabo, Tempo Paris and XCVI, Sept. 7-21, at 475 Port Washington Blvd., Port Washington; 516-375-3940. Hours are 10 a.m.-7 p.m. Monday-Saturday and noon-5 p.m. Sunday.
-- Compiled by Virginia Dunleavy and Julie Gordon