"What Did I Do?" is a song by Kele Okereke, released as the first single from his EP The Hunter. The song's music video was released on 13 September 2011, with the song being released as a digital single in Japan 10 days later. The song features vocals from singer Lucy Taylor. The single was produced by constant collaborator XXXChange and mixed by Sub Focus. The single's cover is the same as the cover for The Hunter EP. On 16 November 2011, Liberator Music released a remix of the single by All The Lights to the Australian iTunes Store.