CNBLUE's�Yonghwa�and Block B's�Zico�will be appearing on the show 'A Hyung I Know (Knowing Brothers)' next week and the preview has been released!

In the funny preview, both Yonghwa and Zico has hilarious interactions with the cast of the show. While Yonghwa showed his close relationship with Kang Ho Dong, Zico rapped "Bermuda Triangle" for the viewers. In addition, the two guests created much laughter in the studio by displaying their unique and individual skills.�

Stay tuned for the next episode of 'A Hyung I Know (Knowing Brothers)!

SEE ALSO: Minzy shows off her dance skills on 'A Hyung I Know (Knowing Brothers)'!