This photo proves that Song Joon Ki and Lee Kwang Soo are like real brothers!

Actors Lee Kwang Soo and Song Joong Ki's unchanging friendship is warming up hearts of fans everywhere!

A post about Lee Kwang Soo's sister having a baby and the two actors visiting her together at a hospital is drawing a lot of attention. 

In the photo being shared, Lee Kwang Soo and Song Joong Ki can be seen together with the new mom and dad at the hospital. 

Lee Kwang Soo's sister had a baby on November 7, and it is reported that Lee Kwang Soo and his best friend, Song Joong Ki, rushed to the hospital at the news. People are praising their friendship and saying that they are like a real family. 

The two met while being on 'Running Man' together, and even after Song Joong Ki left the show, they have maintained their close friendship for many years.