Katherine Heigl Wants a No-Kill Nation for Pets

Katherine Heigl puts her serious face on as she heads to the State of Affairs set on Thursday afternoon (October 16) in Pasadena, Calif.

The 35-year-old actress filmed some scenes with a blue scarf tied around her head.

PHOTOS: Check out the latest pics of Katherine Heigl

That same day, Katherine took to social media to raise awareness for a cause that is very close to her heart.

“Help support our goal of a no-kill nation Go to http://www.orapup.com/justone and make a difference! @justonepet @orapup,” she tweeted.

10+ pictures inside of Katherine Heigl on set…