Footage of the Super Junior members celebrating their leader Leeteuk's 30th birthday was recently revealed.

On July 18th, the backstage images of popular idol group Super Junior were revealed via an episode of KBS's 'Star Life Theatre'.

During this episode, the Super Junior members were seen preparing a birthday party for Leeteuk (birthday July 1st). Their sincerity and love for their fellow member was clearly shown, as they even went so far as to make the cake themselves.

When the time for the party arrived, the members gathered in the dormitory and called Leeteuk, saying, "Come to the living room." Once the leader made his appearance, the members did not hesitate to immediately greet him with his party, surprising him.

Despite not knowing about the members' efforts to even make the cake, Leeteuk appeared touched all the same. He spent the rest of the party happily and in a harmonious atmosphere.

In other news, Boom also made a surprise appearance during the broadcast and praised Leeteuk, his fellow 'Strong Heart' fixed guest.

Source: My Daily via Nate