Block B's P.O. is set to host 'Radio Star' as a special MC.

On May 3, MBC's 'Radio Star' announced, "It's true P.O. is participating as a special MC on 'Radio Star'. It's scheduled to air on May 8," and P.O.'s label also confirmed the news.

After actor Cha Tae Hyun's leave from the talk show, special hosts have been filling in. P.O. follows Kim Young Chul, HaHa, Yang Se Hyung, Heo Kyung Hwan, and Gugudan's Kim Se Jung.

Stay tuned for updates on 'Radio Star' and P.O.