X Files is a mixtape by American singer Chris Brown. It is the prelude for his upcoming sixth studio album X, which is slated for release on September 16, 2014. The mixtape includes six tracks, half of them are duets. He worked together with Busta Rhymes, Ludacris and Kid Ink. The single "Main Chick" is also available on Kid Ink's album My Own Lane, which was released in the beginning of January 2014.