More pop and country stars are invadingNashville: Kesha, Kelsea Ballerini, and Thomas Rhett are all set to guest star on the show this season,according toThe Hollywood Reporter. Kesha, who has beenembroiled in a bitter legal battle with producer Dr. Luke, recentlyhad a cameo onJane the Virginand in theJem and the Hologramsfilm. She's expected to play herself onNashville, as will young country stars Ballerini and Rhett, who will both perform their respective hits. (Fingers crossed the country-lite "Timber" sneaks its way in there, too.) They join a long list of real-life musicians who've guested on the show, most notably Christina Aguilera. Each will make their cameos in separate episodes whenNashvillereturns from its midseason break on March 16.