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 the steps of providing a moving web and passes through a fastener attachment station to define a leading portion of the moving web and a trailing portion of the moving web at a location under the fastener assembly. The moving web is then passed through a laser cutting station to cut to web, such that the leading portion and trailing portion remains bridged together by the fastener assembly without damaging the fastener assembly.