It's the series credited with reviving the career of former Heroes starlet Hayden Panettiere, and tonight Nashville makes its Irish terrestrial TV debut. Panettiere stars as rising starlet and 'southern fried Taylor Swift' Juliette Barnes, who threatens fading country legend Rayna James (Connie Britton). As Rayna aims to reclaim her spotlight, herself and the young wan go head to head over quite a few things, including Rayna's beloved lead guitarist.