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Seoul, Korea, Republic of (2009 – present)

f(x) (Hangul: 에프엑스) is a four member South Korean girl group formed by SM Entertainment in 2009. The name is a play on the mathematical notation for function, with "f" signifying "flower" and "x" representing the female's double X chromosome. The group made their debut on September 1, 2009 with release of a digital single "라차타 (LA chA TA)". The quartet consists of 빅토리아 (Victoria), 엠버 (Amber), 루나 (Luna), and 크리스탈 (Krystal).

Krystal was first spotted by… read more

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