Wu Jiacheng was born on July 18, 1993 in Taishan, Guangdong, China. He was the male singer and actor of Mainland China, and the leader and lead singer of the Chinese men's singing group “X NINE”. He graduated from Xinghai Conservatory of Music.
In 2015, participating in Zhejiang Satellite TV's "Burning Youth" entered the public eye. In April 2016, he starred in the personal first online drama “Super Star Academy”. In September of the same year, he joined the “X NINE” as the captain and lead singer. After that, X NINE launched the album “X玖” with the same name; in December of the same year. On the 10th, with X NINE, he won the Tencent Video Starlight Award “Adolescent Grandeur of the Year” and at the same time, he played in a costume fantasy film “Gu Jian Qi Tan flow Zhao Ming”. In 2017, he participated in the fantasy drama “Fights Break Sphere” in oriental costumes. On April 2nd of the same year, he held a concert in Shanghai under the theme of “King's name”. On April 21st of the same year, he won the first IFF Network Festival.” Top Ten People also ask for "Network Shadow" award.