Justin Bieber performed his first concert in Seoul yesterday, with G-Dragon as a guest singer

Big Bang’s G-Dragon performed at the Seoul concert of Canadian pop star Justin Bieber. The concert was held at the Gymnastics Arena of Olympic Park in Seoul yesterday.

In the middle of his concert, Justin Bieber said, “A friend of mine is here.” Then G-Dragon appeared on stage, sending the audience into a frenzy. G-Dragon assisted the American singer’s concert by performing his hit song “Crayon,” showing their international friendship. Prior to his concert, Bieber showed his friendship with the Korean artist on social-networking sites.

This is the first time for Bieber to perform in Korea. This concert is a part of his Believe! world tour. The tour has drawn a total audience of 1.8 million to 151 concerts in 39 countries.