SM unveils final batch of teaser photos of Girls' Generation

K-pop idols Girls' Generation (from left to right): Yoona, Yuri and Sooyoung [SM Entertainment]

Top Korean agency SM Entertainment unveiled the final teaser images of the members of Girls' Generation today.

The latest photographs revealed members Yoona, Yuri and Sooyoung dressed in the style of retro power girl for their upcoming mini-album "Hoot,” which will go on sale on October 27.

SM announced that they will also release a teaser video of their title track "Hoot" on the girls' official website and SM's YouTube channel at midnight today.

Girls' Generation is one of South Korea's most popular pop groups, having topped numerous K-pop music charts with their hits "Gee," "Genie," "Oh!" and "Run Devil Run" last year.

They will be returning to the local music scene with "Hoot" and begin promoting their latest release on KBS' televised program "Music Bank" on October 29.