Pieces of April. 

LOUNGE
John Derian Design Event at Lekker Home
What: The Mass. native arrives from NYC to unveil his nine-piece, ecoconscious upholstery collection inspired by timeless 18th- and 19th-century furniture ($1,875-$4,250).
Why: Bubbles, nibbles, and the chance to snatch up Derian’s furniture and decoupage works at 20 percent off.
When: Wed., 3-7 p.m.
Where: 1317 Washington St., South End (617-542-6464). Admission is free.

CAROUSE
Run for the Roses
What: Knock back Kentucky Derby-themed bourbon cocktails and Southern munchies (chicken wings, boiled peanuts) while rooting your horse to victory via live audio of the race.
Why: Wear your finest lid to compete in the derby hat contest; seersucker and polka dots are also encouraged.
When: Sat., 3-7 p.m.
Where: Drink, 348 Congress St., Fort Point. Tickets ($45) at 617-695-1806.

SHOP
Eugenia Kim Sale
What: DC readers get exclusive early access to the millinery master’s vintage-inspired cloches, caps, and fedoras at up to 45 percent off.
Why: Giddyap and grab that Poppy equestrian number and a floppy sun hat.
When: You’re sweating through another summer music fest.
Where: Online at swirl.com.

AllSaints Opens
What: The edgy British line debuts its first Boston outpost, a 7,500-square-foot industrial spot in the former Pottery Barn space.
Why: Hop sartorially across the pond with embellished silver hoop earrings ($65), a cowl-neck beaded tunic ($275), and a washed-black leather jacket ($400).
When: Opens Wed. Mon.-Sat., 11 a.m.-9 p.m.; Sun., noon-7 p.m.
Where: 122 Newbury St., Back Bay (877-840-1294).

EAT
Spring in Portugal Wine Dinner
What: Savor a small-plate feast (lobster pasteis, veal empanadas, braised rabbit loin) devoted to seasonal victuals from the Gentle Land for just $75.
Why: Taste six Portuguese vinhos, from Altano to tawny port.
When: Thurs., 7-9:30 p.m.
Where: Solea Restaurant and Tapas Bar, 388 Moody St., Waltham (781-894-1805). Reservations required.

Photo: Courtesy of Lekker Home