Girls' Generation is a South Korean girl group.
`` Gee '' is a song recorded by South Korean girl group Girls ' Generation . Girls' Generation . The group is composed of eight members : Taeyeon , Sunny , Tiffany , Hyoyeon , Yuri , Sooyoung , Yoona , and Seohyun . The group 's immense popularity in their native country South Korea has earned them numerous accolades and the titles `` The Nation 's Singers '' and `` The Nation 's Girl Group '' . They are the first Asian girl group to achieve five music videos with over 100 million views on YouTube : `` Gee '' , `` I Got a Boy '' , `` The Boys '' , `` Mr. Taxi '' , and `` Oh ! '' In Japan , they became the first non-Japanese girl group to have three number-one albums on the Japanese Oricon Albums Chart , and their three Japanese concert tours attracted a record-breaking 550,000 spectators , more than any other Korean girl groups .