Hayden Panettiere: 'Scream 4' Starts Next Week!

Hayden Panettiere is all smiles as she walks with her boyfriend, Wladimir Klitschko, on Monday (June 21) in West Hollywood.

The 20-year-old former Heroes hottie held hands with Wlad on their way out of Le Pain Quotidien.

Hayden is gearing up for her newest project, Scream 4. Emma Roberts also stars, and earlier this week, it was announced that Lauren Graham will be joining the cast!

Filming on Scream 4 begins Monday, June 28.

FYI: Hayden is wearing 7 For All Mankind Roll Up Shorts in Vintage Honolulu!