Lee Sung Kyung and Nam Joo Hyuk are wrapped up in dating rumors.�

The rumors stemmed off from Lee Sung Kyung's recent Instagram post. The model-actress shared a photo from Coldplay's concert, which took place on April 15-16 in Korea. The picture is a blurry cut of a man's legs. The mystery guy in the photo is rumored to be Nam Joo Hyuk.

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Netizens who also attended the concert claimed that they saw Lee Sung Kyung and Nam Joo Hyuk together at the event. On an online community, a�netizen wrote, "Who else saw Lee Sung Kyung and Nam Joo Hyuk? I danced right next to them in g1 lol"

Lee Sung Kyung also deleted the photo almost immediately after the upload, which is adding even more suspicion about a potential relationship.

Currently, netizens are reacting with comments, "I think they wanted to show off their relationship but their label told them to delete it lol", "That's totally a date. All the celebrities who get wrapped up in dating rumors get busted like that", "They're totally dating", "She wouldn't delete it if he was just her friend."

The two stars have recently worked together for MBC drama 'Weightlifting Fairy Kim Bok Joo'.

Is this a new celeb couple?