Hayden Panettiere -- The Cleavage Baring Top

Hayden Panettiere decided not to button up her button down and ended up showing off a lotta cleavage.

From Celebuzz: "The setting of Hayden Panettiere’s hit show Nashville is rubbing off on her style. [While] the 23-year-old actress [was] in the Big Apple promoting her new show, she channeled her alter ego’s country roots, in a denim dress and brown riding boots."