A family photo of Lee Seung Gi's was posted revealing his younger sister.

On an online community's forum, a photo that was previously post of Lee Seung Gi's family is once again attracting the attention of Netizens. 

The photo was a graduation photo of Lee Seung Gi that appeared on a show previously. Lee Seung Gi's father and younger sister were posing affectionately with Lee Seung Gi in the captured photo.

On January 24, Lee Seung Gi has revealed, "My family has not been revealed to the public. A lot of people do not know I have a younger sister. My younger sister doesn't tell anyone that I am her older brother."

Netizens commented, "You look like your father", "You had a younger sister?", and etc.