• Celebrate the royal wedding in style (and in a big hat, if you feel like it) at any number of venues holding special events. See here for more details.
• Stop by Sephora in Times Square for the debut of Tarina Tarantino’s Bronze Beauty collection. Customers will receive a complimentary makeover from a Sephora makeup artist and a Tarina Tarantino sleeping mask. 200 W. 42nd St., nr. Broadway (212-737-4672); noon–6.
• Shop at Banana Republic, where there's a 40 percent sale on all in-store merchandise (and 30 percent discounts online). Tomorrow, they'll also have English Scotsguards stationed outside their Soho store; tweet a picture with one to @BananaRepublic — with the hashtag #BRGuards — and you could win a $500 gift card. Hours and locations vary.
• Archive and one-of-a-kind styles are half-off at the Slane fine jewelry sample sale. 48 W. 25th St., nr. Sixth Ave.; eleventh fl.; Th–F (10–6).