• Head to Macy's for the sip-and-scan registry event, where guests can enjoy drinks, hors d’oeuvre, and a free gift as they receive assistance from gift registry experts. 151 W. 34th St., nr. Seventh Ave. (212-494-2707); 6:30 p.m. E-mail email@example.com to RSVP.
• In celebration of International Women’s Day, Diane Von Furstenberg and iPhone app LUSTR Fashion Finder are partnering to help raise money for Vital Voices. Ten percent of sales at DVF's meatpacking boutique will benefit the charity, and the 25th person to mention LUSTR at the register will win a $200 gift card. 440 W. 14th St., at Washington St.; (212-741-6607)
• Shop for Shoshanna and Letarte swimwear at Olive + Bette’s Mom and Me swim event. 252 Columbus Ave., nr. 72nd St.; (212-579-2178); T (2–5). 1070 Madison Ave., nr. 81st St.; (212-717-9655) W (1–4).
• Discounts are up to 70 percent on women's clothing at the BGN Paris sample sale. 202 W. 40th St., nr. Seventh Ave., Ste. 902; (646-702-3310); M–F (10–6)