Girls' Generation bring the 'boy' out!

Girls' Generation's Hyoyeon, Yuri and Sooyoung pose for an adorable photo during SMTown's concert in Taiwan.

The girls pose with the 'boy' Siwon in their latest photos. Siwon is seen closing his mouth while posing dorkily with the girls.

In addition, the girls also recorded a video to greet fans, watch it below: