Lee Hyo-ri (born May 10, 1979), is a South Korean singer, record producer, activist, actress and television presenter. In 2003, she released her debut solo album Stylish which won several "Artist of the Year" awards. The second release from their debut album, "To My Boyfriend", became the first of their multiple number one hits. In January 2005, Lee made her acting debut in the SBS TV series Three Leaf Clover, starring opposite Ryu Jin, Kim Jung-hwa, Kim Kang-woo, and Lee Hoon.Dubbed as the "Nation's Fairy" during her Family Outing days, she debuted as a member of South Korean girl group Fin. In 2006, Lee was the highest-paid female singer in South Korea when she signed a contract with Mnet Media. As the eldest member, she was the leader of the group. However, the 16-episode drama received low ratings (less than 10%) and Lee was criticized for her acting, with viewers saying she was miscast as a downtrodden but cheerful steel mill worker.
The singer worked also with E-Tribe, the team behind "U-Go-Girl", the lead single from her previous album.
Lee planned to sign a contract with Gil Entertainment (currently B2M Entertainment) and work with Gil Jong-hwa who had been Fin. L's co-manager and had worked with the group since its debut.
Almost two years after her previous album, Lee returned with H-Logic on April 12, 2010.
She also became an increasing presence in the civic community, emerging as one of the country's most high-profile animals rights activists.
In 2011, Lee released two charity songs for donation to animal shelters, "Please Stay Behind" (Hangul: ).