In between Joe Elliott and Yuju, who was a South Korean singer?
Joe Elliott: Joseph Thomas Elliott Jr. (born 1 August 1959) is an English singer-songwriter and musician, best known as the lead singer of the English rock band Def Leppard. Yuju (singer): Choi Yu-na (born October 4, 1997), better known by her stage name Yuju, is a South Korean singer.
Choi Yu-na