No one can deny IU's popularity. Her songs has been a hit in music charts and many people wanted to impersonate her.

JTBC's "Hidden Singer 2" recently featured singer IU along with her impersonators and a test was given to who could guess the real IU. The singer confirmed her popularity the recent episode of "Hidden Singer 2," which was broadcast yesterday, November 23rd saw an increase in viewers -- estimated to have been 5.515%. According to Nielsen Korea, who monitored the show's viewer's rating, IU's episode gave about a 1.3% increase compared to its last episode featuring singer Yoon Do Hyun which garnered 4.198% viewer's rating.

IU's episode gave interest to all viewers to stick to their television and stay tuned on what the show can offer to them. IU also revealed having a strong competition from her impersonators when it comes to her songs like 'Boo', 'Good Day' and 'The Story Only I Didn't Know'. IU's impersonators gave a wonderful show showing different sides of IU from being a young student to being a international singer. 

Watch JTBC's 'Hidden Singer' broadcast every Saturdays at exactly 11 PM Korean Time you might just see your favorite idols participate on the show!