This Weekend’s Events and Sales: Enter Gap’s Royal Discount Sweepstakes; a Sample Sale at Fred Perry

• Receive a complimentary brow arch service from Benefit with any $50 purchase at Bloomingdale's. 1000 Third Ave., nr. 59th St. (212-705-2000); (10–6).

• Stop by the Ecolux designer pop-up shop at Bloomingdale's Soho and meet ten contemporary designers as they showcase their spring/summer 2011 collections. Designers include Suzanne Rae, Ajna Collection, H. Fredriksson, and Study by Tara St. James. Bloomingdale’s Soho, 504 Broadway, nr. Broome St. (212-729-5900); W–F (10–9), S (10–8).

• Stop by the JackRabbit NYC running show and browse the latest running gear from brands like Asics, Adidas, and New Balance. Shoppers can also get running tips from experts during the event. Metropolitan Pavilion, 125 W. 18th St., nr. Sixth Ave. (212-463-0071); F (noon–8), S (10–6). Tickets ($10) are available at

• Menswear and womenswear are 50 percent off at the Fred Perry sample sale. The selection includes Fred Perry by Raf Simons and the Fred Perry Stussy Delux collaboration. Through 4/30. Avalon Group showroom, 547 W. 27th St., nr. Eleventh Ave., third fl. (212-736-3030); M–F (10–7), S (noon–5).