The Retreat Benefit. Stores along Main Street and Newtown Lane in East Hampton offer gifts with purchase, raffles and trunk shows including Amy Conway jewelry at Gail Rothwell (66 Newtown Lane), 5-8 p.m. A portion of the evening’s sales goes to providing services to domestic violence victims; 631-329-4398.
'Today' show's Jill Martin (above) talks about discovering your style, basic wardrobe must haves and much more, 7 p.m., at Barnes & Noble, Huntington Station. She’s also signing her new book, “I Have Nothing to Wear!,” with co-writer Dana Ravich. The bookstore is at 380 Walt Whitman Rd.; 631-421-9886.
Stop by Saks Fifth Avenue at the Walt Whitman Mall on Aug. 18 for a gift with your $250 Eileen Fisher purchase. On Aug. 19, celebrate Coco Chanel’s birthday and the launch of the new No. 19 fragrance with free mini-makeovers and macaroons; 631-350-1203.
Stephen Yearick trunk show, beaded and embroidered evening gowns and cocktail dresses with designer rep, 9:30 a.m.-5:30 p.m., at Filly’s, 1065 Willis Ave., Albertson; 516-739-9090.
Lord & Taylor events: Reserve a spot for the fall runway fashion show at 9 a.m. Advance ticket purchase, $20, is redeemable with cosmetic purchase; 516-742-7000, ext. 240 or 241. At 1 p.m., local models strike a pose in a kids’ fashion show. And meet jewelry designer Christine Carson at her trunk show, 10 a.m.-6 p.m. The Garden City store is at 1200 Franklin Ave.
John Hardy jewelry trunk show, silver and bamboo pieces with stylist, at Bloomingdale’s Walt Whitman store. To RSVP call 631-425-6852.
Cindy Barshop of “The Real Housewives of New York” and owner of Completely Bare spas gives advice on do-it-yourself hair waxing and other questions concerning hair removal; 2-6 p.m. at Tanger Outlets at the Arches in Deer Park. Get a 30 percent discount on a wax service during the event; appointments, 212-366-6060.
Funds for Somalia. Shop New York Vintage’s designer collection including YSL, Chanel and Hermes, 10 a.m.-6 p.m., 255 Main St., Amagansett; 631-267-6455. 10 percent of proceeds go to United Nations Development Programme/Red Cross for Somalia.