جاي واي بي إنترتينمنت
Song Ji-eun was born on May 5, 1990, in South Korea, she is an only child. Having interest in music when she was young, she auditioned for JYP Entertainment at an early age. While in JYP Entertainment, she sang OSTs of Korean dramas in 2007 and 2008 such as "Learning To Fly" for "Air City". Under JYP Entertainment, she was set off to debut as a four-member girl group with Sistar's Hyorin, BESTie's Uji and EXID's Hani, but the plan was scrapped and Ji-eun then left JYP Entertainment and joined TS Entertainment.