On August 22, actress and “Running Man” ace Song Ji Hyo took to her personal Weibo to thanks fans for their birthday gift, a subway ad wishing her a happy birthday.

Song Ji Hyo uploaded onto Weibo a slew of photos of herself standing next to the subway ad. She wears a face mask and hat in an attempt to conceal her identity in the busy train station.

Along with the photos, Song Ji Hyo writes, “I heard about [the subway ad] so I went, and it was real. Thank you so much.”

Song Ji Hyo celebrated her 36th (Korean age) birthday on August 15.

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