Han Seung-yeon was born on July 24, 1988, in Seoul, South Korea. She left Korea to study at Tenafly High School in the United States. However, she left high school mid-course in order to pursue a singing career. After returning to Korea, she debuted as a singer on March 29, 2007, as a member of Kara along with Park Gyu-ri, Nicole and Kim Sunghee.