"Something Really Bad" is a song by British rapper Dizzee Rascal, featuring vocals from American recording artist will.i.am singing the chorus, along with uncredited vocals from Ke$ha.. The song was written by Dylan Mills, Jean Baptiste, William Adams, Jonas Jeberg and produced by Jonas Jeberg. The song was released on 29 September 2013 as a digital download in the United Kingdom as the second single from his fifth studio album, The Fifth (2013).