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' alum Sadie Robertson gives birth to second child'Duck Dynasty' alum Phil Robertson reveals adult daughter from past affairSadie Robertson engaged to boyfriend Christian Huff TAGS: Dancing with the Stars Mark Ballas Witney Carson Justin Bieber Alfonso Ribeiro Sadie Robertson
