Crystal Liu (born An Feng; August 25, 1987), 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. In 2020, Liu became known to international audiences for starring as the titular character in the Disney live-action film Mulan. The role earned her nominations for a Critics' Choice Super Award, a Kids' Choice Award and a Saturn Award. Early life Liu was born in Tongji Hospital in Wuhan, Hubei as An Feng (). She is an only child. Her father is An Shaokang (), a 1st Secretary in the Chinese Embassy in France and a French language university professor from Beijing, and her mother is Liu Xiaoli (), a dancer and stage performer from Hubei. Her parents divorced when she was 10 years old, and she was raised solely by her mother. That same year, she adopted her mother's surname and changed her name to "Liu Ximeizi" (). Her godfather is Chen Jinfei (), the Chairman of Beijing Tongchan Investment Group. In 1997, when Liu was 10 years old, she and her mother immigrated to the United States. She lived in Queens, New York City where she attended Louis Pasteur Middle School 67. In 2002, she returned to China to pursue an acting career and took the stage name "Liu Yifei" (). Several weeks after returning to China, Liu was accepted into the Performance Institute of Beijing Film Academy at age 15 and graduated in 2006. Career 2003–2006; Rising popularity Immediately after her admittance into the Beijing Film Academy, Liu received offers to star in various television series. Her first television appearance in 2003 was in the period romance drama The Story of a Noble Family (金粉世家), based on Zhang Henshui's novel of the same name. The series achieved the highest ratings on CCTV, and positive reviews from audience. The same year, she was chosen by Zhang Jizhong to play Wang Yuyan in Demi-Gods and Semi-Devils, an adaptation of Louis Cha's wuxia novel of the same title. The series was broadcast in Taiwan and achieved a rating of 5.69, becoming the highest-rated Chinese drama in Taiwan. Liu's role as the beautiful Wang Yuyan earned her the nickname of "Fairy Sister" by