During the live broadcast of SBS‘ ‘K-Pop Star‘ on March 18th, viewers were surprised to see the nation’s little sister, IU, among the seated audience members.

As the top 8 contestants were putting on their performances, cameras captured the singer engrossed in Lee Michelle‘s spectacular performance of Beyonce‘s “If I Were a Boy“. As soon as viewers caught a glimpse of the nation’s little sister, the audience erupted in commotion and her appearance proved that stars are also showing interest in the audition program.

In addition to IU, miss A also made an appearance on the program, as seen in the clip below:

Meanwhile, the contestant eliminated this week was Baek Ji Woong who performed Kim Dong Ryul‘s “Etude of Memory“.

Check out the performances below!

<Park Ji Min In Dreams (by Lena Park)>

<Yoon Hyun Sang So Nyeo Shi Dae (by Girls Generation)>

<Lee Michelle If I were a Boy (by Beyonce)>

<Lee Seung Hoon When I Can’t Sing (SE7EN)>

<Park Jae Hyung This Love (by Maroon5)>

<Lee Ha Yi — Don’t Stop The Music (by Rihanna)>

<Baek Ji Woong Etude of Memory (by Kim Dong Ryul)>

<Baek Ah Yeon Atlantis Princess (by BoA)>

Source & Image: Osen