In July 2015, Nettles parted ways with Mercury Nashville. Nettles then signed with Big Machine Label Group. Nettles announced that she would be going on the "Playing With Fire Tour" with Ryan Kindler and Brandy Clark as her opening acts. The tour was then extended by CMT and promoted as "CMT Presents Jennifer Nettles with 2016 Next Women of Country Tour" with Brandy Clark and special guest Lindsay Ell and Tara Thompson for over 30 dates across the country starting in January 2016. Jennifer then released a music video for her song "Sugar," she would be performing this song, which is off her upcoming album, at the 89th Macy's Thanksgiving Day Parade on the Domino Sugar float. Nettles then released the first official single, off her upcoming album with Big Machine, "Unlove You" which she debuted on "The Tonight Show Starring Jimmy Fallon" on November 24. In March 2017, Nettles made her international solo debut at the festival. For six years in a row she has hosted the "CMA Country Christmas" on ABC. In 2018 Jennifer Nettles duetted with Josh Groban on his "Bridges" and "Bridges Live" albums with the Groban-penned song "99 Years". In December 2019 Nettles ended her solo deal with Big Machine Records but her duo Sugarland signed an exclusive deal with Big Machine.