Camila Cabello was ready to buy concert tickets and Gwen Stefani thought a contestant was lip syncing on the latest episode of NBC's "The Voice."Chance’s subtle dig may have missed the mark, but his enthusiasm struck a chord with NariYella, who chose him as her coach.Nashville-based songwriter Grace West earned chair turns from Shelton and Horan with her warm cover of “Maybe It Was Memphis” by Pam Tillis.“I moved to Nashville when I was 17 (and) worked for a publishing company there, but I always wanted to just be a country singer … so I relate to that so much,” Shelton told the 19-year-old.Shelton’s final chair turn went out with a bang, with West choosing to join Team Blake.Tennessee vocalist Katie Beth Forakis slowed things down with an ethereal rendition of Justin Bieber’s “Ghost,” scoring chair turns from Horan and Clarkson.