《声生不息 后台营业中》是《声生不息》的官方衍生节目，汇聚最完整精彩的幕后内容。
Project Runway All Stars Season 4 premieres October 30th on Lifetime. The cast includes two past winners, Michelle Lesniak and Dmitry Sholokhov. Also competing are Season Four's Chris Marc, Season Seven's Jay Sario, and for the third time, Kate Pankoke. From Season Ten, Fabio Costa, Gunnar Deatherage, and Sonjia Williams. From Season Eleven, Samantha Black, Benjamin Mach and Patricia Michaels. From Season Twelve, Helen Castillo, Justin LeBlanc, and Alexandria von Bromssen.
本季增加了明星助力官这一设置，明星助力官某种程度上将扮演“红娘”的角色，他们将坐镇第二现场，拥有“一键插话权”“圈粉时刻”等权利。在舞台区域的设置上，主持人张纯烨将和明星助力官一道，带着六位嘉宾稳坐第二现场，他们将通过大屏幕与主现场完成实时沟通。而此前坐在主舞台的单人嘉宾父母，在新一季节目中将“退居”幕后，来到第三现场，即亲家心选区。
