Netizens are abuzz after spotting 4minute's HyunA and actor Hwang Jung Min filming with the cast members of SBS's 'Running Man'.

On January 21st, many bystanders took to SNS and online communities to post their pictures of the two stars wearing 'Running Man's trademark name tag attached on their backs.

They wrote, "HyunA is filming for 'Running Man' in Hongdae", "Actor Hwang Jung Min is also filming together", "HyunA has appeared in Hongdae", "HyunA looks cute in person", and more.

Neither SBS nor the show has revealed details of the shoot, but many are already anticipating to see the interaction between the 'Running Man' cast and their special guests.