Photo by Sandra Sitar.

FOOD & DRINK: Support the Washington Humane Society while you satisfy your sweet tooth at the 10th annual Sugar and Champagne D.C. pastry chef showcase hosted by Chef Todd and Ellen Gray of Equinox at the Ritz-Carlton (1150 22nd Street NW). 6-9 p.m. $90.

MUSIC: See The Radio Dept. and Young Prisms play the Rock and Roll Hotel (1353 H Street NE). 8:30 p.m. $14.

>> Robert Plant brings his Band of Joy to DAR Constitution Hall (1776 D Street NW) tonight. The North Mississippi Allstars also perform. 8 p.m. Tickets: $64.25.

FASHION: Check out fashion on the runway and in 20 pop-up boutiques tonight through February 5th at Crystal Couture in Crystal City (1750 Crystal Drive, Arlington). 6-10 p.m. Free.

BOOKS: Author and former head of the C.I.A.’s bin Laden search team Michael Scheuer discusses his book Osama bin Laden at Politics and Prose (5015 Connecticut Avenue NW). Maybe he’ll reveal bin Laden’s hidden location?! Okay, probably not. 7 p.m. Free.

POETRY: Step on up to recite your best rhymes during Open Mic Poetry Night at Busboys & Poets (2021 14th Street NW). Or, participate more passively by sitting back and listening to the featured artist of the night guitarist/poet Brian Anthony Furr (BFurr). 9 p.m. $4.