Co-producer – Jerome "Jroc" Harmon*Coordinator [Executive Production] – Garland Mosley, Mike Daddy EvansCoordinator [Production] – Brian ByrdEngineer [Assistant] – Alexander "Fade" Dilliplane*, Elizabeth "Lizzy Gaga" Gallardo*Mixed By – Chris GodbeyProducer – TimbalandProducer [Vocals] – Jim BeanzRecorded By – Julian VasquezVocals [Additional] – Jim Beanz, Missy ElliottWritten-By – Demi Lovato, Nire*, G. Mosley*, J. Harmon*, Jim Beanz, J. Angel*, L. Andersen*, Missy Elliott, T. Mosley*

Engineer – Bobby Campbell, Ryan Tedder, Smith CarlsonEngineer [Assistant For Mix] – Phil SeafordEngineer [Assistant] – Tucker RobinsonEngineer [For Mix] – John HanesMixed By – Serban GheneaProducer, Instruments – Noel Zancanella, Ryan TedderVocals [Additional] – Dev Written-By – Devin Tailes, Noel Zancanella, Ryan Tedder

Edited By [Digital] – Nigel Lundemo, Tim JamesEngineer – Steve HammonsEngineer [Mix] – Steve HammonsEngineer [Second] – Adam ComstockMixed By – Paul Palmer, Tim JamesProducer – Rock MafiaProducer [Additional] – Devrim Karaoglu*, Thomas Armato SturgesVocals [Additional] – IyazWritten-By – Antonina Armato, Tim James

Coordinator [Executive Production] – Garland Mosley, Mike Daddy EvansCoordinator [Production] – Brian ByrdEngineer [Assistant] – Alexander "Fade" Dilliplane*, Elizabeth "Lizzy Gaga" Gallardo*Guitar – Eren CannataMixed By – Chris GodbeyProducer – Jim Beanz, TimbalandRecorded By – Julian Vasquez, Koil Vocals [Additional], Producer [Vocals] – Jim BeanzWritten-By – Demi Lovato, G. Mosley*, Jim Beanz, L. Andersen*, T. Mosley*, T. Mack*

Arranged By [String Arrangement] – Steve Lu*Coordinator [Executive Production] – Garland Mosley, Mike Daddy EvansCoordinator [Production] – Brian ByrdEngineer [Assistant] – Alexander "Fade" Dilliplane*, Elizabeth "Lizzy Gaga" Gallardo*Mixed By – Chris GodbeyProducer – Jim Beanz, TimbalandRecorded By – Julian VasquezVocals [Additional], Producer [Vocals] – Jim BeanzWritten-By – Frankie Storm, G. Mosley*, Jim Beanz, S. Crooks*, T. Mosley*

Engineer [Engineered For Mix] – John HanesMixed By – Serban GheneaMixed By [Assistant] – Phil SeafordProducer – DreamlabVocals – Demi LovatoWritten-By – Daniel James, Demi Lovato, Leah Haywood

Engineer [Engineered For Mix] – John HanesEngineer, Edited By – Jens KoerkemeierMixed By – Serban GheneaMixed By [Assistant] – Phil SeafordPiano, Keyboards, Bass, Programmed By – Emanuel KiriakouProducer – Emanuel "Eman" Kiriakou*Vocals – Demi LovatoWritten-By – Emanuel Kiriakou, Priscilla Renea

Mixed By – Neal PogueMixed By [Assistant] – Jeremiah "J-Hop" Olvera*Producer – DreamlabVocals – Demi LovatoWritten-By – Daniel James, Demi Lovato, Leah Haywood, Ross Golan

Mixed By – Neal PogueMixed By [Assistant] – Jeremiah "J-Hop" Olvera*Producer – DreamlabVocals – Demi LovatoWritten-By – Daniel James, Leah Haywood, Shelly Peiken

Backing Vocals [Additional] – Jaden MichaelsLead Vocals, Backing Vocals – Demi LovatoMixed By, Instruments, Programmed By – Josh AlexanderRecorded By, Engineer – Chris Garcia , Josh AlexanderTechnician [Logic And Pro Tools Tech] – Scott RoeweWritten-By, Producer – Billy Steinberg, Josh Alexander

Backing Vocals [Additional] – Jordin SparksLead Vocals, Backing Vocals – Demi LovatoProducer, Mixed By, Instruments, Programmed By – Toby GadWritten-By – Kerli Koiv*, Lindy Robbins, Toby Gad

Backing Vocals – Lindsey RayMixed By – Bleu , Ducky CarlisleProducer, Recorded By, Keyboards, Programmed By, Guitar – Bleu Written-By – Bleu , Lindsey Ray

Lead Vocals, Backing Vocals – Demi LovatoProducer, Mixed By, Instruments, Programmed By – Toby GadWritten-By – James Morrison , Toby Gad

Lead Vocals, Backing Vocals – Demi LovatoProducer, Mixed By, Instruments, Programmed By – Toby GadWritten-By – Demi Lovato, William Beckett

Producer, Mixed By – Toby GadRemix, Performer [Beats] – Wizz DumbWritten-By – Kerli Koiv*, Lindy Robbins, Toby Gad

Directed By [Created And Directed By] – Wade Robson

Directed By [Created And Directed By] – Wade Robson