Abstract: The fitting room comprises a portrait photographic system which comprises: —a mirror; —a support physically attached to the mirror, or to a structural member fixed thereto, the support being configured and arranged to interchangeably and removably attach thereto any of a plurality of portable computing devices having built-in cameras; and—a local computing entity adapted to establish a communication link with the portable computing device attached or to be attached to the support, in order to acquire one or more images of a user placed in front of the mirror with the built-in camera of the portable computing device once attached to the support. The computer program comprises computer subprograms adapted to operate the system of the fitting room of the invention.