2NE1 (Hangul: 투애니원) is a four-member South Korean girl group formed by YG Entertainment in 2009. The name, pronounced to anyone or twenty one, combines the phrases "21st century" and "new evolution. The band consists of CL, Minzy, Dara, and Bom.

First appearing in "Lollipop", a commercial campaign with Big Bang for LG Electronics, 2NE1's debut single "Fire" was released on May 6, 2009. Since then, the group has released two eponymous extended plays, 2NE1 (2009) and 2NE1 (2011), and two studio albums, To Anyone and Crush. Their first EP spawned the number-one single "I Don't Care", which won them the "Song of the Year" award at the 2009 Mnet Asian Music Awards. Their follow-up singles, such as "Go Away", "Lonely" and "I Am the Best" were similarly successful, with "I Am the Best" winning 2NE1 their second "Song of the Year" award in 2011.