High Quality Content by WIKIPEDIA articles! Choi Sulli (born Choi Jinri; March 29, 1994), is a Korean actress, singer, dancer, and MC. She made her debut as a child actress in 2005. She is a member of the 5- member girl group f(x), formed by SM Entertainment in 2009 and an MC of SBS’s program Inkigayo from 2010-02-07 until now.