Idol group MBLAQ's leader Seungho revealed jealousy toward member Lee Joon.

MBLAQ recently filmed for MBC Everyone "Weekly Idol."

On this day, Seungho revealed his b-boy skills, doing cartwheels and back flips.

MC Jung Hyung Don said, "You're so good. I think girls would like that."

But Seungho replied, "I think I've done a million cartwheels already. But if Lee Joon shows his abs, the game is over." Member G.O also agreed to Seungho, showing jealousy toward their popular member Lee Joon.

This episode of "Weekly Idol" will be aired tomorrow.

Photo Credit: Mydaily