Hayden Panettiere Prepares to Film Her Killer New Role (PHOTOS)

Hayden Panettiere is preparing to get dark—and in more ways than her newly darkened locks.

The former Heroes cheerleader was in Italy on Wednesday, preparing to film her upcoming movie The Amanda Knox Story. Panettiere will be playing the title character, an American exchange student who was convicted of murdering her roommate in Italy in 2007.

Hit up the photo gallery to see Hayden get ready for a killer time. And after that, make sure to drop by Celebuzz’s Actors on Set gallery to see more of your favorite celebs put in a hard day’s work.