As unconventional and iconoclastic as her clothes, the 12,000 square-foot Betsey Johnson Showroom and office in Manhattan is a juxtaposition of strong patterns and colors, with antique as well as custom office furniture. ...

A 30 foot long “wall” of handcrafted white marble screens stands seven feet high at the showroom's entrance, creating a sense of scale, and of mystery, as the screen’s square cut-outs provide tantalizing glimpses of the interior. The square motif of the screens, taken from...