Lewis began planning her third studio album "Glassheart" in June 2010, shortly after completing her first headline tour: The Labyrinth. "Collide" was written by Arash Pournouri, Autumn Rowe, Sandy Wilhelm, Simon Jeffes and Tim Berg, with production of the song helmed by Wilhelm (under his production name Sandy Vee) and Youngboyz. On 14 July 2011, Lewis announced via her official Twitter account that the song would premiere in the United Kingdom on "The Scott Mills Show" radio talk show the following day on 15 July, saying "So excited to let u know to tune into Scott Mills show on Radio One tomorrow for the worldwide exclusive play of my summer single 'Collide' (sic)." With regard to the song, Lewis spoke about "Collide" and why she chose to release it as the lead single, saying