Hayden Panettiere: PaleyFest Goes To 'Nashville'

Hayden Panettiere arrives at the 2013 PaleyFest for Nashville held at the Saban Theatre on Saturday afternoon (March 9) in Beverly Hills, Calif.

The 23-year-old actress was joined by her co-stars Connie Britton, Charles Esten, Clare Bowen, Sam Palladio, and Jonathan Jackson.

PHOTOS: Check out the latest pics of Hayden Panettiere

It was just announced that O.C. alum Chris Carmack will be joining the cast as Will, a sexy and charming country singer and guitar player, the kind of guy men want to be friends with and women want to be with.

Psst, be sure to mark your calendars for this Friday, March 15th — Hayden will be on Late Night with Jimmy Fallon!

FYI: Hayden is wearing Koolaburra “Katelyn” boots.

15+ pictures inside of Hayden Panettiere…