The Eurovision Song Contest 2007 was the 52nd edition of the Eurovision Song Contest. It took place in Helsinki, Finland, following the country's victory at the 2006 contest with the song "Hard Rock Hallelujah" by Lordi. Organised by the European Broadcasting Union (EBU) and host broadcaster Yleisradio (YLE), the contest was held at the Hartwall Areena, and consisted of a semi-final on 10 May, and a final on 12 May 2007. The two live shows were presented by Finnish television presenter Jaana Pelkonen and musician and TV-host Mikko Leppilampi. In addition, Krisse Salminen acted as guest host in the green room, and reported from the crowds at the Senate Square.

Lordi is a Finnish hard rock and heavy metal band. Formed in 1992 by the band's lead singer, songwriter and costume maker Mr Lordi, Lordi are known for wearing monster masks and using horror elements with pyrotechnics during concerts and music videos. The band rose to fame in 2002 with their hit single "Would You Love a Monsterman?", and won the Eurovision Song Contest 2006 with their song "Hard Rock Hallelujah".