Commit yourself.SWOONBridal Sample SaleWhat: Carine’s Bridal Atelier offers 30-75 percent off gowns from Carolina Herrera, Karl Lagerfeld, Monique Lhuillier, Jenny Lee, and Melissa Sweet.Why: Dresses start at $999, which really ought to make you fall in love. When: Thurs., 4-8 p.m.Where: 1726 Wisconsin Ave. NW, b/t R & S Sts., 2nd flr. (202-965-4696).VISITNana ReopensWhat: The U Street mainstay moves its women’s clothing and accessories to Mount Pleasant.Why: New additions in the bigger, brighter space include kids clothes, gifts, and furniture.When: Mon. & Wed.-Fri., noon-7 p.m.; Sat. & Sun., 11 a.m.-5 p.m. Where: 3068 Mt. Pleasant St. NW, b/t Hobart & Irving Sts. (202-667-6955).HITAdMo Pop-Up ShopWhat: The temporary gallery and storefront puts down shallow roots to celebrate the Cherry Blossom Festival.Why: Cards and posters by Bookish Lady, bracelets by Fisticuffs Leather, and paintings by Matt Sesow.When: Sun.-Apr. 10. Sun.-Thurs., noon-9 p.m.; Fri. & Sat., 11 a.m.-10 p.m.Where: 2421 18th St. NW, at Belmont Rd. (202-232-1960).HELPOzuki Salon’s Japan Earthquake and Tsunami ReliefWhat: Book an appointment for Sunday, when 100 percent of the day’s revenue will go to Red Cross relief efforts.Why: Owner Iku Kawashita and his staff will cut, color, condition, and hydrate ($48 and up).When: Sun., 10 a.m.-6 p.m.Where: 1025 Thomas Jefferson St. NW, b/t M & K Sts. (202-342-7591).Photo: Roc Canals Photography / Getty Images Six small ways you can send hope to Japan.SweaterpaloozaCozy up to deep discounts on knitwear from Lia Molly, Cardigan, Autumn Cashmere, Qi, and more at our sweater blowout sale happening now on our sample sale site.