Duck Dynasty 'Duck Dynasty' star Sadie Robertson and boyfriend Trevor Knight break-up 09/01/2016 Duck Dynasty star Sadie Robertson is a single girl again. Read More RELATED NEWS 'Duck Dynasty: The Revival' to air on A&E this summer'Duck Dynasty' alum Sadie Robertson gives birth to second child'Duck Dynasty' alum Phil Robertson reveals adult daughter from past affair TAGS: Dancing with the Stars Mark Ballas Witney Carson Justin Bieber Alfonso Ribeiro Sadie Robertson
