pHotogrApHy: miHo AikAwA, Courtesy of sHop ArCHiteCts (tHis pAge ANd Bottom two, opposite); BruCe dAmoNte, Courtesy of sHop ArCHiteCts (opposite, top) Hand-blown crystal bottles of Armand de Brignac, the preferred champagne of Jay-Z, line the wall behind the champagne bar in the Vault suites at Barclays Center. Armand de Brignac is a sponsor of the Vault, and Jay-Z, a former part-owner of the Brooklyn Nets and the arena itself, was one of the clients for the space. contract