"Lost!" is a song by the British rock band Coldplay. It was co-produced with Brian Eno and Markus Dravs for the band's fourth album, Viva la Vida or Death and All His Friends. The song was released on 10 November 2008 as the third official single from the album to generally positive critical reviews. A live version was released via download following a performance of the band and Jay-Z at the 2009 Grammy Awards, spurring high digital sales and giving "Lost!" a new peak at number 40 in the United States.