In 2007, Ivy released her second album Sweet Moments. The first single This is a sexy dance music with many samples inserted in it, so that others can't forget the melody once they listen to it! However, the MV of the song was accused of copying "The Son of Final Fantasy" and was awarded 300 million won (2 1.4 million RMB) by the court. Nevertheless, this song has become popular in Korea, and many singers and artists have imitated it and made it a classic of Ivy.
In 2008, Ivy left her original company and signed a contract with De Chocolate E&; TF .
In 2009, she returned with her third album and her first single "Goodbye Tears", and once it was released, it was on the charts.
Subsequently, Ivy fell into a career trough, because when she first debuted as a mysterious singer, it attracted a lot of speculation and a lot of negative news followed. Among them, someone uploaded an indecent video and said that the woman in the video was Ivy, which caused public opinion in the entertainment circle and Ivy was attacked a lot. During this period, Ivy wrote lyrics for Girls' Generation and SHINee and the Lighthouse. Ivy later confirmed that the person who made the video was not herself, but someone similar to her. (Ivy said it in the arm)
20 12 April, Ivy released the first extended drama "Interview & gt officially returns", and carried out activities with the title song, describing her sufferings in recent years with a sad melody, which gained a lot of attention. And then appear on the show.
20 13 On June 3rd, Ivy returned with her new album "I Dance", and invited Kim Woo Bin, a member of Wonder Girls, to take part in the song rap feat. In the same year, Ivy sang the TV series OST and made her debut in the variety show.