Katherine Heigl is the latest star to take a walk on the dark side with rich brunette locks.

The star of Grey's Anatomy and Knocked Up has experimented with a few different colours of late, giving up her trademark blonde curls to go auburn back in July last year.

In an interview with Cosmopolitan magazine two years ago, she said: "I'd love to be a brunette. Having brown hair makes me feel more exotic."

What do you think? Does Katherine look better as a brunette or did you prefer her as a blonde bombshell?

Leave a comment below and let us know what you think.

A change of hair colour can make a huge difference, as our gallery of celebrity hair transformations proves...






More photo galleries

Be a fan of Lemondrop on Facebook | Follow us on Twitter!