Secret (Korean: 시크릿) is a four-member South Korea girl group formed in 2009. The group consisted of Jeon Hyosung, Jung Hana, Song Jieun and Han Sunhwa. The group were signed under LOEN Entertainment and released their debut single, "I Want You Back", in 2009. In 2010 they released two mini albums entitled Secret Time with the lead single "Magic" and Madonna. In 2011, Secret released the smash hit "Shy Boy" followed by "Starlight Moonlight".