LOONA is a Korean girl group formed by YG Entertainment. The group has 4 members: Jisoo, Jennie, Rosé, and Lisa.

They made their debut on August 8, 2012, with their single titled Square One, which became their best-selling debut single in Korea. The single earned a record as the most downloaded debut single by Koreans. They also had their first number-one hit with their first album, Square Two (2012), which sold more than 1.8 million copies.

With their commercial success in the first five years, they were named the most influential Korean artists of the decade by Bloomberg. They also received the Korea Artist of the Year Award at the 31st Korean Music Awards.

LOONA debuted with their commercial success in the first five years, with their first number-one hit with their first album, Square Two (2012), which sold more than 1.

LOONA is one of the best Korean girl groups of all time. The group has been active since 2012 and has had a number of hits, with their best-selling single, Square One, which has been downloaded more than 5 million times. They have also had their first number-one hit, with their first album, Square Two (2012).