• In honor of its 30th anniversary, Diesel is hosting a "Dirty Thirty" jeans event, offering their premium denim jeans in two styles for only $50. One day only. 1 Union Sq. W., at 14th St. (646-336-8552); 119; 770 Lexington Ave., at 60th St. (212-308-0055); 108; and online.
• Don't miss the Manhattan Vintage Clothing Show, which brings top vintage dealers from all over the country under one roof. One-of-a-kind vintage items like fitted blouses, pencil skirts, and more will be on sale. Admission is $20. Metropolitan Pavilion, 125 W. 18th St., nr. Sixth Ave. (212-691-7297); Fri. (18), Sat. (116).
• Meet Madonna's personal makeup artist on the "Sticky & Sweet" tour, Gina Brooke. While Madonna's in town, Brooke stops by to share her tips and tricks. Barneys New York, 660 Madison Avenue, nr. 61st St. (212-833-2007); 116. Call for appointment.
• Diane Von Furstenberg is slashing 25 percent off on all shoes. Through 10/13. 874 Washington St., at 14th St. (646-486-4800); Fri.Sat., Mon. (117), Sun. (noon6). Also online.
• Enjoy 25 percent off all boots by DKNY, both online and in stores. The black patent Knickerbocker Rainboot is $87 from $125, and the lace-up Combats are $332 from $475. Through 10/13. Click here for store locations.
• Lolli by Reincarnation is offering up to 80 percent off on tops, dresses, reworked vintage items, leather handbags, and accessories from the collection. Through 10/12. 85 Stanton St., nr. Allen St. (212-529-2030); 18.
• To celebrate the opening of its new flagship boutique, Juicy Couture is offering 20 percent off all full-price apparel items at all Juicy retail stores. Through 10/10. Check here for store locations.
• To celebrate its first anniversary, Wendy Mink is taking up to 50 percent off semiprecious-bead necklaces ($40), freshwater-pearl bracelets ($30), and gold-vermeil hoops ($50). Through 10/12. 72 Orchard St., nr. Broome St. (212-260-5298); Sat. (117), Sun. (noon6).
• Enjoy gratis mimosas and gift bags while you shop the Brooklyn Royalty sample sale. Hoodies, track jackets, and tees from the line will be discounted alongside items from other local designers like Angel Lust, VinT Bikini, and San & Soni. Saturday only. 3rd Ward, 195 Morgan Ave., nr. Stagg St., Bushwick, Brooklyn (917-349-9155); noon6.
• Anna Sheffield is selling her fine-jewelry collection and hip Bing Bang pieces at wholesale prices; sterling-silver or rose-gold heart hoop earrings are now $40. Through 10/11. 153 Lafayette St., at Grand St., fourth fl. (212-925-7030); Thurs.Fri. (noon7), Sat. (noon4).