2NE1 (Korean: 투애니원; pronounced "to anyone" or "twenty-one"), formerly known as 21, is a South Korean group under YG Entertainment Inc. in 2009. Previously promoted as "female Big Bang" and 21, YG officially stopped using the name 21 because another Korean musical group was using the same name. 2NE1 is supposed to stand for "New Evolution of the 21st Century": "NE" meaning "New Evolution" and "21" standing for the "21st Century."
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2NE1 (Hangul: 투애니원; RR: tu-aeniwon; pronounced "to anyone" or "twenty-one") is a South Korean hip-hop/pop girl group formed by YG Entertainment in 2009. 2NE1 consists of four members: CL, Dara, Minzy, and Bom. The group's name 2NE1 stands for "New Evolution of the 21st Century".
They first appeared in "Lollipop", a commercial campaign with Big Bang for LG Telecom, and their debut single "Fire" was released on May 6, 2009. Since then, the group has released two extended plays, 2NE1 and 2NE1 2nd Mini Album, and one studio album, To Anyone.
Fans of 2NE1 call themselves "Blackjacks", a reference to the card game Blackjack.