Bad (David Guetta and Showtek song)

"Bad" (also stylised as BAD!) is a song by French house music producer and disc jockey (DJ) David Guetta and Dutch production duo Showtek, featuring vocals from Australian singer Vassy. It was released on 17 March 2014 as the second single from Guetta's forthcoming studio album. It was written and produced by Guetta and Showtek, and it was co-written by Giorgio Tuinfort, Sultan & Ned Shepard, Nick Turpin, Manian, and Vassy. The song entered the UK Singles Chart at number 22.