Singer BoA came out on "K-Pop Star 3" and sang.

In SBS "K-Pop Star" seaosn 3 aired today, BoA made a collaboration stage with the top 10 contestants. The stage opened up and BoA appeared along with the top 10, and they sang "One Dream" together. BoA used to be a judge on the program.

At her appearance, all three judges could not hide in their shock. The stage that they created gave hope to the contestants running towards their dreams.

Photo Credit: SBS