On August 1st, a picture of Sung Shi Kyung's�'diet lunchbox' was revealed through the homepage of MBC FM4U's 'FM Music City I'm Sung Shi Kyung'. The ballad singer's lunchbox was full of basic top diet foods, such as chicken breast, broccoli, bell peppers, tomatoes, and other vegetables. The person who uploaded the picture commented, "On a strict diet to find a ballad singer's body line". They later added, "He eats vegetables to barely satisfy his hunger and only drinks a sip of orange juice to maintain his sugar content level during the recording". Netizens commented, "A painful diet, I hope you succeed" and "I'll be looking forward to your comeback as a sleek ballad singer". Source & Photo: TV Daily via�Nate