XU Zheng cemented (巩固) his status as the No 1 comic actor in China after starring in box office hit Lost in Thailand (《泰囧》), in which he plays a shrewd (精明的) business man with a trademark bald head. But as was revealed (透露) last week, Xu, 40, wasn’t exactly bald to start with. Believe it or not, he used to make money from his stylish hair – he worked as a hair model in college.