bass Steve Pearce drums Chris Laws engineer Chris Laws engineer Daniel Pursey engineer Tony Lake guitar Daniel Omelio keyboards Steve Mac mixed by Robert Orton percussion Daniel Pursey producer Cashmere Cat producer StarGate producer Steve Mac programmed by Cashmere Cat vocals Bea Rexstrew vocals Charli XCX vocals Katie Littlewood vocals Kirstin Hume vocals Macy McCutcheon written-by Charlotte Aitchison written-by Daniel Omelio written-by Magnus August Høiberg written-by Mikkel S. Eriksen written-by Steve Mac written-by Tor Erik Hermansen Record Company Warner Music Central Europe Published By BMG Gold Songs Published By Lafferty Daniel Publishing Published By Robopop Music Published By EMI Music Publishing Ltd. Published By Rokstone Music Ltd. Licensed To BMG Rights Management (UK) Limited Published By Sony/ATV Music Publishing Scandinavia Published By Closet Boy Studio Published By Stellar Songs Published By Sony ATV Publishing Recorded At Rokstone Studios Recorded At Westlake Audio Mixed At Hot Rocks Studios Produced For Matza Ball Productions, Inc. Produced For 45th & 3rd Music LLC Phonographic Copyright (p) Asylum Records UK Copyright (c) Asylum Records UK Charlotte Aitchison p/k/a Charli XCX