Jessica was the first member to sign with SM Entertainment in 2000. In 2007, she was chosen as a member of the group Girls' Generation. The 9-member girl group debuted on August 5, 2007.
On September 30, 2014, Jessica announced on her personal Weibo account that she was "forced out" of the group.[4] SM Entertainment later confirmed this, stating that Jessica would no longer be a member of Girls' Generation due to constant conflicts with the group's and Jessica's schedules. The company also stated that Girls' Generation would continue to promote with eight members while still managing Jessica's solo activities.[4][5] Jessica also released a statement of her own through her fashion company Blanc, explaining that she was one-sidedly asked to leave Girls' Generation by the agency .[6] Jessica's last released song with Girls' Generation is "Divine", released as a part of the repackaged version of their first Japanese greatest hits album, The Best.
On August 6, 2015, S.M. Entertainment released an official statement regarding Jessica's future, it was stated that the company and former member of Girls' Generation had officially parted ways.[7]