It WAS wonder girls before in the Tell me days but then SNSD took over with their hit songs Gee, Genie and now OH!
SNSD/GIrls' generation is right now the top kpop girl group :)
i mean they deserve it, they owned 2009. if you dont' believe me, they have the exact ranking on the net. And they're really talented
Singing: Taeyeon, Jessica, Seohyun, Tiffany, Sunny
Dancing: HyoYeon, Yuri, YOona, SooYoung
lol they all fall into a category :D
Girls' Generation, 2NE
for me, its Wonder Girls ...