You may now kiss the weekend.BUYCaroline DeVillo Couture Semiannual Sample SaleWhat: The designer’s dreamy, silhouette-driven bridal gowns go for 30-70 percent off (prices range $500-$2,000).Why: There’s a strapless with your maiden name on it.When: Sat., 10 a.m.-3 p.m.Where: 1616 N. Damen Ave., at North Ave., ste. 301. R.S.V.P. to 773-342-0096 or firstname.lastname@example.org.REGISTERSprout Home’s Floral-Design ClassesWhat: In their new how-to series, garden store pros show how to piece together blooming sensations.Why: Themes change monthly; the next tackles how to arrange flowers in uncommon ways (building up, down, and horizontally).When: Sept. 14 & Oct. 12, 6 p.m.Where: 745 N. Damen Ave., b/t Chicago Ave. & Superior St. Registration (required) to 312-226-5950 or email@example.com. Cost varies depending on the size of arrangement you want to make; observing is free.PARTYThe Square AffairWhat: A group of Logan Square lovers put together a night of local bands (Jon Drake & the Shakes, The Minneapolis Henrys, and more), DJs, and cheap beer.Why: Every hood should have this kind of enthusiasm.When: Fri., 8 p.m.Where: Logan Square Auditorium, 2539 N. Kedzie Blvd., at Logan Blvd. Tickets online ($8) at ticketweb.com or at the door ($12).SAVESola Restaurant’s Foodie FridayWhat: Score 25 percent off your total bill (yep, even liquor) at the cheerful resto by mentioning Foodie Friday when booking.Why: Hawaiian-meets-Midwestern flavors, such as hoisin-braised short ribs with snow peas, shiitakes, and red peppers. When: Fri., 5:30-11 p.m.Where: 3868 N. Lincoln Ave., at Byron St. Reservations (required) to 773-327-3868.SAVORBalsan and Ria’s New Pastry ChefWhat: Stephanie Prida (formerly of Blackbird) settles in at the Elysian hotel hotspots. She reimagines comfort desserts like peach cobbler at Balsan; for Ria, she creates elaborate chocolate affairs.Why: You always save room.When: Balsan, daily, 6:30 a.m.-10 p.m.; Ria, daily, 6-10 p.m.Where: 11 E. Walton St., at State St. (312-880-1300).Photo: Courtesy of Caroline DeVillo CoutureUp to 65% off ChaikenJulie Chaiken has set the standard for chic, clean-cut styles since ’94 with perfect-fit trousers, office-ready LBDs, and sweet tops. They’re up to 65% off on Swirl.