Singer Chae Yeon showed off her youthful looks.

On November 17, Chae Yeon posted on her Instagram, "Are you a boy?" along with a picture.

In the picture, Chae Yeon is wearing a military-patterned snapback and a mask, looking up at the camera. Her makeupless face showed off her youthful looks, catching much attention.

Internet users who saw this commented, "Her beauty didn't change a single bit," "I must be gaining all the age for you," and "So pretty even without makeup on."

Chae Yeon recently appeared on SBS "Roommates," appearing on an entertainment program for the first time in 3 years. Chae Yeon is currently preparing to appear on other entertainment programs and is also planning to release a new album next year.