What's the name of this short-haired girl in her girlhood?

Choi Soo Young was born in Gwangju, South Korea on February 1990. Korean singer, actress and host. A girlhood member of a women's group. In 2000, he was discovered by S.M. Entertainment Company and entered the company as an intern. In 2002, she left her job and went to Japan to participate in the draft audition and successfully won the Korean delegation. So her debut in Japan was with the Japanese champion. The group was dissolved in 2003 and then returned to S.M. Entertainment as an intern. The girlhood officially debuted in August 2007. 20 12 first appeared as an actor in TV series such as the third hospital and love operation group: sihano. In addition to performing arts, MC, as a late-night TV performance, is active in front of the public. Xiuying, as the height representative of girlhood, still attracts people's attention with her unique temperament and tall figure.