Nash appeared on the tenth season of ABC's Dancing with the Stars beginning in March 2010, where she was partnered with Louis van Amstel. On May 11, 2010, Nash and van Amstel were eliminated from the competition, taking fifth place. In 2011 she got her own reality show Leave It To Niecy on TLC about her life with her new husband and step-son but it was quickly cancelled. In that same year she was in a TLC wedding special. She also appeared in films Code Name: The Cleaner (2007), Reno 911!: Miami (2007), Not Easily Broken (2009), G-Force (2009), and Trust Me (2013).
Nash became engaged to Jay Tucker on September 4, 2010. Nash participated in a TLC reality show that followed the preparations for the wedding. Nash and Tucker were married on Saturday, May 28, 2011, at the Church Estate Vineyard in Malibu. On October 30, 2019, Nash announced her pending divorce from Tucker via an Instagram post. The divorce was finalized on March 10, 2020.