Singer IU revealed a cute picture of herself in celebration of her 4th year debut anniversary.

Today, IU posted on her Twitter, "4th year debut anniversary. I will become someone that learns to be thankful under every circumstance! Thank you, everyone," along with a picture.

In the picture, IU tied up her hair in a cute way and is pouting her lips. The lip sticker outside of the picture is also eye-catching.

Internet users who saw this commented, "It's been 4 years already! Congratulations," and "Cuteness overload."

Photo Credit: IU's Twitter