Heigl on Chambers: Say What?!

1/31/2008 8:50 PM PST
TMZ broke the news to you today that "Grey's Anatomy" star Justin Chambers had checked himself in to the psych ward at UCLA Medical Center this week. Then we broke the news to Katherine Heigl.

Katherine was shopping on Robertson Blvd. with her mom when our photog asked her if she knew how Justin was. Check out her reaction.