One the recent episode of Fantastic duo two little IU steals the show for her cuteness and resemblance to IU .
The duo sang and perform together on stage and receive loud applause from the Live audience . Her full name is Jo Yi-hyun .
This is actually not her first live performance . Before in Fantastic Duo , she already was in a MNET produced show If You Don’t Dream . During that episode , Lee Kwang Soo was one of the guest .
Below is her Video during the If You Don’t Dream