A method and apparatus for producing a pre-fastened adjustable pant-like disposable absorbent undergarment including a fully or partially severed front body panel is disclosed. The method includes first providing a discrete undergarment moving longitudinally in a machine direction. A first panel and second panel are separated in a z-direction to allow for a transport support structure to be passed through a waist opening and a pair of leg openings. While on the transport support structure, the first panel is cut to define a first portion of the front panel and a second portion of the front panel. Finally, the first portion of the front panel and the second portion of the front panel may be joined together with a fastener assembly that connects the first portion and the second portion.