A display system which includes a first image display; a second image display; a reflective polarizer disposed between the first image display and the second image display, with the second image display disposed on a viewing side of the display system; and a controller for addressing image data to the first image display and the second image display, wherein the controller, the first image display and second image display are configured to selectively operate in accordance with: a first display function in which the first image display is visible to a viewer through the second image display and the second image display appears substantially transparent to the first image display; a second display function in which the display system appears as a plane mirror to the viewer; and a third display function in which the display system appears as a patterned mirror to the viewer.