IU appeared on MBC Everyone's 'Weekly Idol' on the 6th where Jung Hyung Don said, "I will give you a chance to brag. In your opinion, what part of your body did you inherit well from your parents and you're the most confident about?"
According to a report on Allkpop, IU said, "Personally, it is my collarbones. I will show you," and inhaled to reveal her collarbone line.
Jung Hyung Don and Defcnn teased her, saying, "You can see everyone's like that. If you run 3 km (almost 2 miles) on a running machine, you breathe roughly."