Fashion Check Out Robin Thicke's MAJOR Makeover By Jackie Willis 8:53 AM PDT, July 31, 2013 Getty Images What a difference a decade makes! Before Robin Thicke had one of the biggest summer hits of 2013, he was just a long-haired up-and-coming artist related to the Growing Pains dad. This pic from Feb. 2003, when Thicke was just 26 years old, shows the Blurred Lines singer rocking some seriously long locks, a far cry from the smooth, clean-cut style he sports today. RELATED PICS: Actors Who've Undergone On-Screen Transformations What do you think of Thicke's dramatic makeover? Should he grow out his hair?