에프엑스 "Red Light" Krystal teaser

Choi Sulli (born March 29, 1994), better known as just Sulli, is a Korean pop singer and actress. She first debuted as a child actress in 2005 and then as a singer of quintet dance group 에프엑스 in 2009.

Sulli began 연기 professionally at the age of 11, when she was selected to play young Princess Sun-hwa in the SBS 텔레비전 drama, The Ballad of Seo-dong.[1] A few months later, she made a cameo appearance in 사랑 Needs a Miracle, another SBS 텔레비전 drama. In 2006, she made a small supporting appearance as the childhood crush of TVXQ's Micky in the theatrical drama Vacation. Sulli later landed a small role in 펀치 Lady and The 꽃 Girl is Here (2007) and also BABO (2008).