Kerli Kõiv ( born 7 February 1987), usually referred to mononymously as Kerli, is an Estonian singer and songwriter. Born in Elva, Estonia, Kerli entered multiple singing competitions before being signed to Island Records in 2006 by LA Reid. In 2007, she released her debut self-titled extended play and in 2008, released her debut studio album, Love Is Dead, the latter of which charted on the Billboard 200. The lead single from the album, "Walking on Air," charted in many countries and was also featured as the iTunes Store's Single of the Week where it was downloaded over 500,000 times, a record at that time. In the years following, Kerli was featured on Almost Alice with the song "Tea Party" and she began to abandon her alternative rock sound and started to adopt a more electronic and dance-influenced sound, as can be heard in her 2010 single "Army of Love".
She represent Estonia in the first edition of the Europa Song Contest in Sofia, Bulgaria with the song "Feral Hearts" and get the 7th place with 101 points in the grand final and in the semi final get the 5th place with 73 points.