Katherine Heigl Looks Divine on the Dark Side

While she looks virtually unrecognizable with her new, darker 'do, that is Katherine Heigl out and about yesterday in West Hollywood, Calif. Katherine darkened her formerly-blonde locks last week, and completes her incognito style with a pair of big sunglasses and an outfit perfect for any average businesswoman.

Katherine debuted her dark side last week while out with her sister, Meg.

OK! NEWS: KATHERINE HEIGL HOLDS ON TO A NEW DARKER DO

Maybe that hair will help her hide from all the Grey's Anatomy fans that are sad she's leaving the show!

OK! NEWS: KATHERINE HEIGL IS OUT OF GREY'S ANATOMY