Is Jason Koo Chen Xiaoyun married?

No. After Chen Xiaoyun broke up with Jim, she recently got together with Jason Koo, who is younger than her. When they returned to the hotel, they were photographed together. Chen Xiaoyun didn't explain much about this relationship, but they all went back to the hotel together. Obviously, that's a relationship between men and women. There is no information that Chen Xiaoyun is married.