Demi

Producer – TheSuspex*Written-By – Aaron Phillips, Demi Lovato, Jason Evigan, Mitch Allan, Nikki Williams, Sean Douglas

Co-producer [Vocals] – Jason EviganEngineer – Kyle MoormanGuitar, Banjo – Corky JamesProducer, Instruments, Producer [Vocals], Programmed By – Jonas JebergWritten-By – Blair Perkins, Corey Chorus, Demi Lovato, Jason Evigan, Jonas Jeberg

Arranged By [Strings], Recorded By [Strings], Edited By [Strings] – Mattias BylundCello – David BukovinszkyDrums, Programmed By, Keyboards, Guitar – Matt SquireEngineer – Josh Wilbur, Larry Goetz, Matt Squire, Steve TippeconnicGuitar – Larry GoetzKeyboards, Programmed By – Battleroy*Producer – Battleroy*, Matt SquireProducer [Vocals] – David "DQ" Quinones*Violin – Mattias JohanssonWritten-By – Demi Lovato, Freddy Wexler, Matt Squire, Roy Battle

Engineer – Smith CarlsonEngineer [Assisted] – Micah JohnsonProducer, Instrumentation By, Programmed By – Noel Zancanella, Ryan TedderWritten-By – Demi Lovato, Mario Marchetti, Noel Zancanella, Ryan Tedder, Tiffany Vartanyan

Backing Vocals – Livvi FrancProducer – TheSuspex*Written-By – Jason Evigan, Livvi Franc, Mitch Allan

Arranged By [Strings] – Anton Patzner, Matt Rad*Backing Vocals – Felicia Barton, Matt Rad*Cello – Lewis PatznerEngineer [Assistant] – Adam HarrProducer [Vocal] – Anne PrevenProducer, Engineer, Piano, Keyboards, Drum Programming – Matt Rad*Violin, Viola – Anton PatznerWritten-By – Anne Preven, Demi Lovato, Felicia Barton, Matt Radosevich

Engineer – Brendan Dekora, Jens KoerkemeierEngineer [Assistant] – Davis MeissnerPiano, Arranged By [Strings] – Emanuel KiriakouProducer – Emanuel "Eman" Kiriakou*Written-By – Emanuel Kiriakou, Priscilla Renea

Backing Vocals – Albin Nedler, Carl Falk , Chris Patrick Bass – RamiEdited By [Vocals] – Albin Nedler, Chris Patrick , RamiEngineer [Vocals, Assistant] – Thomas CullisonEngineer [Vocals] – Zach SteeleGuitar – Carl Falk Producer, Instruments, Programmed By – Carl Falk , RamiRecorded By [Vocals] – Carl Falk , Rami, Savan KotechaVocals [Featuring] – Cher LloydWritten-By – Carl Falk , Cher Lloyd, Demi Lovato, Rami Yacoub, Savan Kotecha

Guitar – Jamie SnellProducer [Vocal] – David "DQ" Quinones*Producer, Piano, Drums, Bass, Programmed By, Guitar – Jarrad "Jaz" Rogers*Recorded By [Vocals], Engineer – Josh WilburWritten-By – Jarrad "Jaz" Rogers*, Julia Michaels, Lindy Robbins

Edited By [Digital] – Jens Koerkemeier, Pat ThrallGuitar, Piano, Keyboards, Programmed By – Andrew Goldstein, Emanuel KiriakouProducer – Andrew "Goldstein" Goldstein*, Emanuel "Eman" Kiriakou*Written-By – Andrew Goldstein, Demi Lovato, Emanuel Kiriakou, Savan Kotecha

Producer – Jason Evigan, The Monsters & StrangerzProducer [Vocals] – Jason EviganWritten-By – Ali Tamposi, Demi Lovato, Jason Evigan, Jordan Johnson , Marcus Lomax, Stefan Johnson

Bass – RamiCello – David BukovinszkyEdited By [Vocals] – RamiEngineer [Vocal, Assistant] – Thomas CullisonEngineer [Vocal] – Zach SteeleGuitar – Carl Falk Guitar [Additional] – Jordan SappProducer, Instruments, Programmed By – Carl Falk , RamiRecorded By [Strings], Edited By [Strings], Arranged By [Strings] – Mattias BylundRecorded By [Vocals] – Carl Falk , Rami, Savan KotechaViolin – Mattias JohanssonWritten-By – Carl Falk , Demi Lovato, Rami Yacoub, Savan Kotecha

Edited By [Digital] – Jens Koerkemeier, Pat ThrallPiano, Programmed By – Andrew Goldstein, Emanuel KiriakouProducer – Andrew "Goldstein" Goldstein*, Emanuel "Eman" Kiriakou*Written-By – Andrew Goldstein, Demi Lovato, Emanuel Kiriakou, Lindy Robbins