KBS variety show 'The Return of Superman's Song Triplets are all grown up!

On March 16 KST, photos of actor Song Il Kook's triplet sons — Daehan, Minguk, and Mansae — celebrating their 9th birthday that day became a hot topic on Korean online community DC Inside. 

In the photos, the boys are seen not only enjoying their respective birthday cakes, but posing in coordinated outfits for the camera. On an episode of 'The Return of Superman,' it was predicted that the triplets would likely grow to be around 185 cm. (~6'1). And even at nine years old, netizens felt the boys were already well on their way to becoming that tall, with one netizen joking, "As expected, they look like boys preparing to become 185 cm someday." 

Meanwhile, while the Song Triplets have been enjoying a normal childhood since leading 'The Return of Superman,' the boys are occasionally active in various charity projects. Previously, the triplets teamed up with the Yoon Design Group and Korea's Hangeul Tree of Hope to design their own Hangeul font, with all proceeds going to ChildFund Korea to aid children affected by natural and social disasters.

Check out recent pictures of the boys below!