Girls' Generation is a South Korean girl group formed by SM Entertainment in 2007. The group originally consisted of nine members: Taeyeon, Sunny, Tiffany, Hyoyeon, Yuri, Sooyoung, Yoona, Seohyun, and Jessica. They gained immense popularity with their catchy songs and synchronized dance routines, becoming one of the leading acts in the K-pop genre. The group is known for hits like "Gee," "Genie," and "I Got a Boy," which helped them achieve both domestic and international success. Over the years, Girls' Generation has won numerous awards and has been influential in the global spread of K-pop, paving the way for future artists in the industry.