How old is Sean Superstar College?

25 years old. According to Sina. Official website query of com. Sean Pettitte Superstar College is 25 years old, and Sean Xiao was born in 199 1. At the age of 25, he participated in the online TV series "Superstar Academy" and officially set foot in the entertainment industry and began his acting career. Later, he officially debuted as a member of the X-Nine Youth League, and signed a contract with Tian Yue Company after his debut. Superstar Academy is a super-power youth campus online drama jointly produced by Tianyu Media, Gushan Film and Television, Tencent Video and Bel Canto Culture.