Actress Kim Ji Won has ignited a whole lot of speculation recently after eagle-eyed netizens realized she's been covering her neck in all her recent public appearances.

A viral post on the South Korean online forum Nate Pann pointed out that Kim, 31, has been seen wearing turtlenecks, scarves, or high-collared clothing in all her recent photos. They've appeared at airports, concerts, and brand events.

The post has now received more than 340,000 views and more than 400 comments, with netizens arguing over why she wore those clothes. Some users dismissed the speculation, while others suggested possible explanations.

"I've seen all those pictures but never noticed it. You sure are very interested in other people's lives," one commenter wrote.

Another speculated, "She probably had some surgery." Others suggested practical reasons, such as cold weather or cosmetic procedures.

"Maybe she had surgery for neck wrinkles," one user commented, while another added, "She was probably cold. These days, you can catch a cold very easily."

Read more: Kim Soo Hyun Finally Shuts Down Dating Rumors with Kim Ji Won: 'Drama is Drama'

Kim Ji Won, known for her roles in dramas such as Descendants of the Sun and Queen of Tears, has not addressed the speculation publicly. Her agency has also remained silent on the matter.

With the ongoing buzz surrounding her fashion choices, fans remain curious about whether Kim will respond or continue to keep her neck covered in future appearances.

Read more: 'Queen of Tears' Star Kim Ji Won Attends BVLGARI Event Solo Amid Kim Soo Hyun Dating Rumors