IU revealed that she focused on diet the most while preparing for her comeback.

In KBS2 "Entertainment Relay" guerrilla date aired today, IU revealed that she gained a lot of weight while filming for the drama "You're the Best, Lee Soon Shin." She revealed that she focused the most on losing weight before her comeback.

About a year ago, IU had revealed through a TV show that she is 161.7cm tall and 44.9kg. She had gained a little bit of weight while filming for the drama and had about a month and a half before her comeback.

IU said, "I ate apples for breakfast, sweet potato for lunch, and protein powder for dinner."

Internet users who saw this commented, "She doesn't need to diet," "She should be worried about her health first," etc.

Photo Credit: KBS2