- Country: China
- Genres: Drama, Fantasy, Romance
- Release: 2019-02-14
- Director: N/A
- Writers: N/A
- Language: Chinese
- Stars: Chen Xingxu , Peng Xiao Ran , Shawn Wei , Siqin Gaowa , Gallen Lo , Kristy Yang , Wang Zhifei , Dinghan Zhang , Jiang Kai , Xiaoning Zheng
- Runtime: min
- Awards: 2 wins & 3 nominations
- AKA: Donggong , Good Bye, My Princess (India) , 东宫 (China) , 東宮 (China) , Прощай, моя принцесса (Russian Federation) , Good Bye, My Princess , Good Bye, My Princess (United States of America)Good Bye My Princess, 东宫 (China)
- Plot: Xiao Feng (Peng Xiao Ran) is the beloved princess of Western Liang when she is arranged to marry the crown prince Li Cheng Yin (Chen Xing Xu). Loved by her people immensely, she sets off on a journey leaving the place she loves to become the crown princess. Although the Crown Prince is one of the most powerful people, only second to one, the Eastern Palace.
- IMDB:tt11156508
Dong Gong Cast · · · ALL
Peng Xiao Ran
Qu Xiaofeng
Chen Xingxu
Li Chengyin / Gu Xiaowu
Shawn Wei
Gu Jian
Siqin Gaowa
Empress Dowager
Gallen Lo
Emperor
Kristy Yang
Princess Ming Yuan
Kingone Wang
Li Chengye
Jiang Kai
Qu Wen Cheng
Hu Shi Zhi
Qu Tian Ze
Zhu Zanjin
Zhao Shixuan