Liu Yifei

Crystal Liu, better known by her stage name Liu Yifei, is a Chinese-American actress, singer, and model. She has appeared multiple times on Forbes' China Celebrity 100 list and was named one of the Ne... Crystal Liu, better known by her stage name Liu Yifei, is a Chinese-American actress, singer, and model. She has appeared multiple times on Forbes' China Celebrity 100 list and was named one of the New Four Dan actresses of China in 2009. She is widely known as "Fairy Sister" in China.