During her career, the late Hayden Panettiere played a host of characters that managed to strike chords with the general public. One of the standout performances of her TV-based work is arguably Nashville’s Juliette Barnes, who’s an ambitious country signer. Panettiere played Barnes for a total of six seasons and, in that time, she played out the ups and downs of the character’s tumultuous life and career. And, as it turns out, Panettiere once r…