"Katy on a Mission" is a song performed by British recording artist Katy B. It was released by Rinse accompanied by a b-side titled "Louder" as her debut single and lead single from her debut album, On a Mission, on 22 August 2010. The song was co-written by Benga, Katy B and Geeneus, and produced by Benga. Musically, the song is constructed around beats, synths and a bassline found most prominent in the dubstep music genre. It achieved charting success in the United Kingdom where it topped the UK Dance Chart and UK Indie Chart while peaking at number five on the UK Singles Chart. The single was accompanied by a music video which was directed by Johny Mourgue.