Hayden Panettiere is a Turtleneck Tease

Speaking of Heroes hotties…

Hayden Panettiere drove her Porsche Cayenne to a headshot studio in Los Angeles on Monday. While parking, the 18-year-old chatted on her LG enV cell phone by Verizon Wireless.

Last week, GQ magazine named Hayden their “Obsession of the Year.”

Catch Hayden on an all-new episode of Heroes tonight @ 9PM ET/PT on NBC.

10+ pictures inside of turtleneck tease Hayden Panettiere…