Girl's Generation, also known as SNSD, is a popular 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 fame for their catchy songs, impressive choreography, and strong vocal performances. The group is known for hits like "Gee," "Genie," and "I Got a Boy," which helped them achieve both national and international success. Girl's Generation has won numerous awards and is often credited with helping to popularize the K-pop genre worldwide.