• HAYDEN PANETTIERE photo | Hayden Panettiere

Credit: Paul Drinkwater/NBC

Published: Monday October 08, 2012 06:00 AM EDT



Was a cast member of: Heroes
Now headlining: Nashville, premiering Oct. 10

The blonde beauty has ditched her cheerleading uniform (and sci-fi posse) to embrace a different kind of superpower: her voice. As Connie Britton's younger rival in the ABC musical drama, she'll head to Music City to play Juliette Barnes, whom she describes as "very diva-ish and bratty and snotty sometimes."