Rupert Murdoch Debuts New Hair At Sun Valley (PHOTO)

News Corp CEO Rupert Murdoch unveiled a new hairdo Thursday at Allen & Company's annual retreat for media and technology executives in Sun Valley, Idaho.

Murdoch's new hairstyle is both shorter and dye-free, making him look more like fellow mogul Barry Diller than the Australian mogul we've come to know.

At left, see Murdoch Thursday in Sun Valley; at right, a photo of Murdoch walking at the Sun Valley conference in 2009: