Lee Ye-ji, better known by her stage name Yezi, is a South Korean rapper and singer. She debuted as a member of South Korean girl group Fiestar in 2012. Yezi was a semi-finalist on Unpretty Rapstar 2 in 2015, during which she released several singles. Her debut solo maxi single, Foresight Dream, was released on January 28, 2016.

Fiestar was a South Korean girl group formed by Kakao M. Before the group's debut, they released a duet with label mate IU titled “Sea of Moonlight” for LOEN Entertainment's collective label album. The track ended up being a domestic success and entered the top ten of the Gaon Digital Chart, earning the group attention before their debut. The group officially debuted on August 31, 2012 with the single album "Vista" the group’s final line-up with five members: Cao Lu, Jei, Linzy, Hyemi, and Yezi, Cheska who was their original member left in 2014.