Born Gong Minji, she rose to fame as an idol singer for the group 2NE1 alongside Sandara Park, CL and Park Bom. She has also taken part in films and TV, starring in Girlfriends in 2009 and in the 2013 series Mamma Mia.
She debuted as a member of 2NE1 with YG Entertainment members Sandara Park, CL, and Park Bom.
She sang the duet "Please Don't Go" with CL. The song peaked at #6 on the November 2009 Gaon Chart.
She was born in Seoul, South Korea. She grew up with a sister.
She collaborated with the members of Big Bang, including G-Dragon, when she was fifteen years old.