In 2016, she competed in the fourth season of the Chinese reality show "I Am A Singer", but she admitted she faded out as a singer since 2014 due to bronchitis. However, she recovered from it and participate, and eventually gone on to win the competition, making her the first non-mainland Chinese singer to win the series. Lee later returned as guest singers for two more seasons (whicn now rebranded with the new title "Singer"), on the fifth season during the biennial concert, and on the sixth season as with a guest performer for Jessie J, the eventual winner for that season.