Arranged By [Horns], Baritone Saxophone – Simon Clarke Arranged By [Vocals], Recorded By [Vocals] – Maegan CottoneBass – Ben KohnDrums – Tom Barnes*Engineer [Vocals, Additional] – Ben CollierGuitar – Guy "Wu Twang" ClangleyHorns – Kick Horns*Keyboards – Pete Kelleher*Mixed By – Ken "Duro" IfillProducer – TMS Programmed By [Additional] – Nicky D'SilvaTenor Saxophone – Tim SandersTrombone – David Liddell*Trumpet – Ryan QuigleyTrumpet [Solo] – Paul SpongWritten-By – Ben Kohn, Jade Thirlwall, Jesy Nelson, Leigh-Anne Pinnock, Maegan Cottone, Perrie Edwards, Peter Kelleher, Tom Barnes*

Arranged By [Backing Vocals And Vocals], Engineer – Maegan Cottone, Duvall*Mixed By – Tony MaseratiProducer – Duvall*Written-By – Jade Thirlwall, Jesy Nelson, Leigh-Anne Pinnock, Maegan Cottone, Nathan Duvall, Perrie Edwards

Arranged By [Strings] – Ben CollierArranged By [Vocals] – Iain James*, Maegan CottoneBass – Ben KohnDrums – Tom Barnes*Engineer [Vocals, Additional] – Ben "Bengineer" Chang*Guitar – Martin AndersonKeyboards – Pete Kelleher*Mixed By – Serban GheneaProducer – TMS Recorded By [Vocals] – Maegan CottoneWritten-By – Ben Kohn, Iain James*, Jade Thirlwall, Jesy Nelson, Leigh-Anne Pinnock, Perrie Edwards, Peter Kelleher, Tom Barnes*

Backing Vocals – Camille Purcell, MNEKEngineer, Producer, Programmed By [All] – MNEKMixed By – Phil TanRecorded By [Additional Vocals] – Maegan CottoneWritten-By – Camille Purcell, Jade Thirlwall, Jesy Nelson, Leigh-Anne Pinnock, Perrie Edwards, Uzoechi Emenike

Arranged By [Strings], Conductor – Cliff MastersonContractor [String Fixer, Assistant] – Lucy WhalleyContractor [String Fixer] – Isobel GriffithsEngineer – Tom HoughEngineer [Assistant] – Aaron AhmadInstruments [All Other], Programmed By – Edvard Førre Erfjord, Henrik Michelsen*Leader – Tom Pigott-SmithMixed By – Ash HowesPiano – Jamie Scott, Reuben JamesProducer – Electric Producer [Vocals] – Maegan CottoneStrings – Andy Parker*, Boguslaw Kostecki, Bruce White, Cathy Thompson, Chris Tombling, Dave Daniels*, Debbie Widdup, Emlyn Singleton, Frank Schaefer, Mark Berrow, Martin Loveday, Patrick Kiernan, Perry Montague-Mason, Peter Lale, Rachel Stephanie Bolt*, Sonia Slany, Thomas BowesWritten-By – Edvard Førre Erfjord, Henrik Michelsen*, Jamie Scott, Little Nikki

Arranged By [Vocals] – Iain James*, Maegan CottoneBacking Vocals – Iain James*Drums – Tom Barnes*Engineer [Vocals, Additional] – Ben "Bengineer" Chang*Guitar – Ben KohnKeyboards – Pete Kelleher*Mixed By – Phil TanProducer – TMS Recorded By [Vocals] – Maegan CottoneWritten-By – Ben Kohn, Iain James*, Jade Thirlwall, Jesy Nelson, Leigh-Anne Pinnock, Maegan Cottone, Perrie Edwards, Peter Kelleher, Tom Barnes*

Arranged By [Strings], Conductor – Cliff MastersonCello – Nerys Richards, Nick Holland*Contractor – Roz CollsInstruments [All], Programmed By – Ash Howes, Jez Ashurst, Richard "Biff" Stannard*Leader – Rolf WilsonMixed By, Producer – Ash Howes, Richard "Biff" Stannard*Recorded By [Additional Vocals] – Maegan CottoneViola – Bruce White, Lucy Morgan, Tim GrantViolin – Jeremy Isaac, Jonathan Hill, Kerenza Peacock, Laura Melhuish, Marianne Haynes, Richard George, Steve Morris, Tom Pigott-SmithWritten-By – Ash Howes, Bradford Ellis, Jade Thirlwall, Jesy Nelson, Leigh-Anne Pinnock, Perrie Edwards, Richard Stannard, Shaznay Lewis

Bass – Ben KohnDrums – Tom Barnes*Guitar – Guy "Wu Twang" ClangleyKeyboards – Pete Kelleher*Mixed By – Phil TanPiano – Kiris HoustonProducer, Recorded By [Vocals] – TMS Recorded By [Additional Vocals] – Maegan CottoneWritten-By – Ben Kohn, Jade Thirlwall, Jesy Nelson, Leigh-Anne Pinnock, Perrie Edwards, Peter Kelleher, Shaznay Lewis, Tom Barnes*

Backing Vocals – Camille PurcellMixed By [Mixdown] – Wez ClarkePercussion, Producer, Programmed By – Fred BallRecorded By [Additional Vocals] – Maegan CottoneToy [Squeaky Toy] – Milo BallWritten-By – Camille Purcell, George Tizzard, Rick Parkhouse

Arranged By [Strings] – Ben CollierArranged By [Vocals] – Camille PurcellBass – Tom Barnes*Engineer [Vocals, Additional] – Sam KlempnerKeyboards – Pete Kelleher*Mixed By – Phil TanPiano – Ben KohnProducer – TMS Recorded By [Vocals] – Maegan CottoneWritten-By – Ben Kohn, Camille Purcell, Jade Thirlwall, Jesy Nelson, Leigh-Anne Pinnock, Perrie Edwards, Peter Kelleher, Tom Barnes*

Engineer, Producer – RyKeyzMixed By – Phil TanProducer [Vocals] – Iain James*, Philippe-Marc AnquetilRecorded By [Additional Vocals] – Maegan CottoneRecorded By [Vocals] – Iain James*Written-By – Jordan Dollar, Ryan Williamson

Alto Saxophone, Baritone Saxophone – Simon Clarke Arranged By [Horns] – Simon Clarke , Tim SandersArranged By [Vocals] – Ayak Thiik*, Iain James*, Maegan CottoneDrums – Tom Barnes*Engineer [Vocals, Additional] – Ben CollierGuitar – Ben KohnHorns – Kick Horns*Keyboards – Pete Kelleher*Mixed By – Phil TanProducer – TMS Producer [Additional] – Nicky D'SilvaRecorded By [Vocals] – Maegan CottoneTenor Saxophone – Tim SandersTrombone – David Liddell*Trombone [Bass Trombone] – Richard HenryTrumpet – Paul Spong, Ryan QuigleyWritten-By – Ayak Thiik*, Ben Kohn, Iain James*, Jade Thirlwall, Jesy Nelson, Leigh-Anne Pinnock, Perrie Edwards, Peter Kelleher, Tom Barnes*

Backing Vocals – Iain James*, Nicola RobertsMixed By – Phil TanPercussion, Producer, Programmed By – Fred BallRecorded By [Additional Vocals] – Maegan CottoneTambourine – Emre RamazanogluWritten-By – Fred Ball, Iain James*, Nicola Roberts

Arranged By [Strings] – Clarissa FarranContractor – Hilary SkewesLeader – David JuritzMixed By – Phil TanPercussion, Producer, Programmed By – Fred BallRecorded By [Additional Vocals] – Maegan CottoneRecorded By [Strings] – Dave Moore, Olga FitzroyWritten-By – Fred Ball, Iain James*, Jade Thirlwall, Jesy Nelson, Leigh-Anne Pinnock, Nicola Roberts, Perrie Edwards

Backing Vocals [Additional] – Darren Lewis, Iyiola Babalola, Shaznay LewisBass, Piano – Darren LewisDrums – Iyiola BabalolaEngineer [Recording], Producer – Future CutInstruments [All Other] – Darren Lewis, Iyiola BabalolaMixed By – James ReynoldsRecorded By [Additional Vocals] – Maegan CottoneWritten-By – Darren Lewis, Iyiola Babalola, Jade Thirlwall, Jesy Nelson, Leigh-Anne Pinnock, Perrie Edwards, Shaznay Lewis

Arranged By [Vocals] – Iain James*, Maegan CottoneMixed By – Dan LancasterPiano – Kiris HoustonRecorded By [Vocals] – Maegan CottoneWritten-By – Ben Kohn, Iain James*, Jade Thirlwall, Jesy Nelson, Leigh-Anne Pinnock, Perrie Edwards, Peter Kelleher, Tom Barnes*