http://arteporcuba.com/News/katherine-heigl-hair-change-blonde-to-dark/ Filed under: Hair. , Celebrity. , News. , Celebrity Hair. Katherine Heigl goes dark. Photos: APG, X17online.com | Jean Baptiste Lacroix, WireImage.com. "Grey's Anatomy" star Katherine Heigl. debuted a new brunette hairstyle this week. The new mom is known for her golden locks, which have run the gamut from a frosty almost-platinum to a deeper honey shade. Heigl did flirt with auburn hair. at one p... Wed, 10 Mar 2010 08:47:47 CST en