Group MBLAQ's member Lee Joon revealed his upper body.

During a recent recording of Star King, Lee Joon surprised everyone by suddenly revealing his upper body.

Recently, Body trainer Sean Lee revealed a method of using tissue rolls to train your chest muscles as one of the trainings in his special hot summer diet.

Sean Lee showed that he was as muscular as Arnold Schwarzenegger by holding a wine cup with his chest muscles. This is where Lee Joon started to show hints of jealousy.

Suddenly, Lee Joon revealed his upper body and held the wine cup with his chest muscles, showing his pride as the best muscular idol.

You can watch Lee Joon challenging Sean Lee on the 13th at 6:30pm.

SOURCE: Nate
TRANSLATION: Lovelyjoonie@AbsoluteMBLAQ