Girls' Generation sub-unit TaeTiSeo was spotted judging Mnet's 'Superstar K4'.

On August 6th, 'Superstar K4' shared a shoft of TaeTiSeo guest judging on its official Twitter, posting, "Superstar K4 did a really~~ good deed for the army!!! The judges are Girls' Generation! TaeTiSeo!!! The army must have shown crazy heat??? Check out the crazy heat on August 17th! Watching the broadcast~ must be fun right?"

The revealed picture showed TaeTiSeo judging the preliminary round on 'Superstar K4'. It also showed Season 4's official judges Lee Seung Chul and Psy, as well as Son Dam Bi. The TaeTiSeo members' 'twinkling' beauty could be seen, even from far away.

In addition, the viewers can expect the wild atmosphere of the audition setting since beautiful Son Dam Bi and the TaeTiSeo members participated in the preliminary round at an army base. Although the show hasn't aired yet, viewers seem to be excited as they commented, "Son Dam Bi and TaeTiSeo, I can hear the soldiers' shouts all the way from here," "If I was the participant, I would be too nervous to sing in front of TaeTiSeo," and "TaeTiSeo, the three all twinkle twinkle shine!"

Meanwhile, the audition program 'Superstar K4' will air its first episode on the coming 17th.

Source+Picture: Superstar K4's Twitter; Newsen