Song Joong Ki couple was spotted at his younger sister's wedding. 

On October 14th, it was reported Song Joong Ki's younger sister, Song Seul Ki's wedding took place. As a big brother, of course, Song Joong Ki attended the wedding and this is when the couple was spotted in public. 

Netizens complimented the beauty of Song Joong Ki's wife, former actress Katy Louise Saunders. The couple recently welcomed their first child. 

Meanwhile, Song Joong Ki introduced his younger sister to the public back in 2010.