SHOP AND PARTY WITH YOUR GIRLFRIENDS, free, 6-10 p.m., at Ladies Night Out, Hyatt Regency, 1717 Motor Pkwy., Hauppauge; 631-667-3976. There's a fashion show, makeovers and plenty of clothing and accessories vendors.
LONNY'S, THE WOMEN'S CLOTHING STORE, celebrates 40 years on Long Island with a spring fashion show, music and food, 7 p.m. at Wildfish Restaurant, 507 Guy Lombardo Ave., Freeport. Must RSVP to email@example.com.
SEE THE LATEST PIAZZA SEMPIONE casual, sportswear and resort wear fashions (631-350-1311) and Ippolita gold and silver jewelry designs (631-350-1259) at trunk shows hosted by Saks Fifth Avenue, Walt Whitman.
HIRSHLEIFERS at Americana Manhasset hosts two trunk shows: Yigal Azrouël pre-fall/fall collection, casual and evening wear with informal modeling. The designer visit 1-4 p.m. Friday. And Sara Weinstock stops by both days with her handcrafted jewelry designs; 516-627-3566.
ROSE TAFT EVENING GOWN TRUNK SHOW, with designer Melanie Silverman, at Filly's, 1065 Willis Ave., Albertson; 516-739-9090.
CASABLANCA BRIDAL TRUNK SHOW, by appointment, at Bridal Suite of Bay Shore, 7 W. Main St., Bay Shore; 631-666-0700. Free mini-makeovers and a 10 percent discount on Casablanca orders.
TREAT YOURSELF TO A FREE PRE-PROM MANICURE AND HAIR CONSULTATION, 2-5 p.m., and take in a styling contest with local high school teams at Bloomingdale's Roosevelt Field and Walt Whitman stores; 516-873-2772. Take 20 percent off your prom dress purchase. The Roosevelt Field store is collecting new or gently worn dresses for prom girls in need through April 3. Get a mini-movie poster of Walt Disney's "Prom."
COSMETICS AND FRAGRANCE
Plumm Shoppes at Americana Manhasset is closing its doors and everything must go. All product lines, including Sisley, Creed, YSL, Molton Brown, Mario Badescu, are 70 percent off; 516-869-8880.
-- Compiled by Virginia Dunleavy and Julie Gordon