Hayden Panettiere - ESPY Awards 2012

Hayden Panettiere shows off her pearly whites as she arrives at the 2012 ESPY Awards held at Nokia Theatre L.A. Live on Wednesday night (July 11) in Los Angeles.

The 22-year-old actress dolled up in a minty Giorgio Armani dress with Norman Silverman diamond earrings and bracelet.

PHOTOS: Check out the latest pics of Hayden Panettiere

During the ceremony, Hayden hit the stage with her Nashville costar Connie Britton, and athlete Matt Kemp to present Basketball player Brittney Griner with the Best Female Athlete award.

15+ pics inside…