Stores within stores are becoming a major trend. WWDreports that Reiss, a UK fashion brand, will be opening up a shop inside Bloomingdale's 59th Street flagship in Manhattan. Reiss is leasing the space from Bloomingdale's and will responsible for everything, including staffing the in-store shop. Reiss will get a virtual presence on bloomingdales.com and in the Bloomingdale's catalog as part of the deal.