Sister Yang. Tiktok Cui Jing was born. Sister Yang Yang used to be a Peking Opera actress. She 1 1 studied in Beijing Theatre Academy at the age of 24, played the role of Bai Jing in Wulin at the age of 24, and then joined the Comrades Art Troupe. I went to Australia to study at the age of 30 and graduated with a bachelor's degree in economics at the age of 34. At the age of 36, the eldest daughter was born and she became a full-time mother.