2004: Solo career Lu made her solo debut in China under the name Lu Lu. She released her independent extended play "Cat(貓咪)" in 2004.
2012–2018: Debut with Fiestar, solo activities and group disbandment Cao Lu made her debut as a member of South Korean girl group Fiestar under LOEN Entertainment label on August 31, 2012, with their first single "Vista". In February 2016, Cao Lu was cast in MBC's
Real Men for the female soldier edition. In the same month, she was confirmed to cast in
We Got Married along with comedian
Jo Se-ho as a couple, which she departed from in September 2016. In 2017, Cao Lu collaborated with
Yerin and
Kisum on the single "Spring Again". On May 15, 2018, Fave Entertainment announced that Fiestar would be disbanded due to the expiration of the other members' contracts on April 30, 2018. Cao Lu's contract expired a month later on May 31, and on June 1, it was confirmed that she left the company after deciding not to renew her contract.
2018–present: New agencies and Fiestar reunion In September 2018, Lu signed with IOK Company. In March 2021,
EE-Media announced on Weibo that Cao Lu had joined its ranks. On August 22, 2024, Fiestar announced to make comeback to celebrate their 12th anniversary debut and Lu will restart group activities with Fiestar after 6 years. ==Discography==