She was also a host of We Got Married Global Edition. On June 6, 2014, she became a host of the KBS show, A Song for You with Kangin of Super Junior and Yook Sungjae of BTOB. She has hosted MBC's music show Show Champion with T-ara's Eunjung for a year, both of them stepped down as hosts on December 18, 2013. In 2013, she was featured in the Korean version of the title track of Henry's's debut album, called '1-4-3 (I Love You)'. She had to leave the show to prepare for f(x)’s debut in Japan. From October 2011 to April 2012, she was part of the reality show Invincible Youth. Liu has also started a career on television.

She performed the Korean and English rap vocals and was also featured in the song's music video. In June 2010, she was featured in the lead single of Taiwanese singer Danson Tang's third Mandarin-language studio album, The First Second. The song was then included in their first live album. Labelmate Yuri of Girls' Generation performed a cover of Ciara's song ' 1, 2 Step' at their first concert, Into the New World, held on December 19 in Seoul and featured her as a rapper and dancer. She frequently collaborated with other SM Entertainment artists. Aside from featured songs, she also worked with fellow group mates Luna and Krystal for the soundtrack of KBS drama God of Study, in a song called 'Spread its Wings'. She has composed and written lyrics for some of the group's songs such as 'Goodbye Summer' which was a single in their second studio album, Pink Tape, and 'Summer Lover' from their third studio album, Red Light. I really thank her and she also convinced my dad'. but then my mom was always supportive from the beginning. She stated: 'My dad was very cautious, at first. During an episode of the group's reality show, Go f(x), Liu revealed that her parents initially had mixed feelings regarding her music career. After a year and a half of training, she debuted as a member of the South Korean girl group f(x) in September 2009. Liu was cast from SM Entertainment's Los Angeles global audition in 2008, where she and one male were selected to be trainees for SM Entertainment. She attended El Camino Real High School in Los Angeles.

Her parents are from Taiwan and her father has Teochew ancestry. Liu was born on September 18, 1992, in Los Angeles, California. Life and career 1992–2010: Early life and career beginnings 1.4 2020–present: Post-SM career and activities in China.1.1 1992–2010: Early life and career beginnings.

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