庾澄慶
Guan Zhe (; born 23 April 1981), Also known as Grady Guan is a Chinese pop singer and songwriter. He was a contestant on "The Voice of China", which featured Liu Huan, Na Ying, Yang Kun and Harlem Yu as judges. In January 2016, he has been selected to be a season 4 contestant on "I Am a Singer".