Engineer – Adam Comstock, Steve HammonsMastered By – Chris GehringerMellotron – Rami JaffeeMixed By – Rock MafiaProducer – Rock MafiaVibraphone – Rami JaffeeWritten By – Antonina Armato, David Jost, Selena Gomez, Tim James

Engineer – Aubry DelaineMixed By – Phil TanProducer – StarGate Recorded By – Mikkel S. Eriksen, Miles WalkerWritten By – Ester Dean, M.S. Eriksen*, T. E. Hermansen*

Backing Vocals – Brooke Adams, Rock MafiaCo-producer – Devrim Karaoglu*Engineer – Steve HammonsGuitar – Tim PierceMixed By – Paul Palmer, Rock MafiaProducer – Rock MafiaWritten By – Adam Schmalholz, Antonina Armato, Tim James

Backing Vocals – Char LiceraBass – Sean HurleyCo-producer – Devrim Karaoglu*Engineer – Nigel Lundemo, Steve HammonsGuitar – Tim PierceMixed By – Paul Palmer, Tim JamesProducer – Antonina Armato, Tim JamesWritten By – Antonina Armato, Michael Nielsen, Ralph Churchwell

Mixed By – Serban GheneaProducer – Emanuel KiriakouSynthesizer – Andrew GoldsteinWritten By – Emanuel Kiriakou, Priscilla Hamilton

Engineer – Adam Comstock, Steve HammonsMixed By – Rock Mafia, Steve HammonsProducer – Rock MafiaWritten By – Antonina Armato, Devrim Karaoglu*, Tim James

Mixed By – Serban GheneaProducer – Andrew Bolooki, Jeff Halatrax, Kevin RudolfWritten By – Andrew Bolooki, Fefe Dobson, Jacob Kasher, Jeff Halavacs, Kevin Rudolf

Producer – Jason Evigan, The Monsters & StrangerzRemix – Boy LightningWritten By – Alexander Izquierdo, Clarence Coffee, Jason Evigan, Jordan Johnson, Marcus Lomax, Stefan Johnson

Co-producer – David KuncioMixed By – Serban GheneaProducer – The Cataracs*Written By – David Kuncio, Freddy Wexler, Julia Michaels, Lindy Robbins, Niles Hollowell-Dhar

Arranged By – Toby GadMixed By – Toby GadProducer – Toby GadRecorded By – Toby GadRemix – Dave AudéVocals – Selena GomezWritten By – Brian Knoll, Lawrence Riggs, Lindy Robbins, Matt Blackett, Toby Gad, Tom Luce

Backing Vocals – Brooke AdamsCo-producer – Devrim Karaoglu*Engineer – Nigel Lundemo, Steve HammonsGuitar – Jimmy MesserMixed By – Paul Palmer, Tim JamesProducer – Antonina Armato, Tim JamesRemix – Dave AudéWritten By – Antonina Armato, Devrim Karaoglu*, Tim James

Backing Vocals – Edgar Cortazar, Leyla Hoyle Guerrero*, Lindy RobbinsBass – Isaac HassonDrum Programming – Mher FilianEngineer – Superspy Guitar – Isaac HassonKeyboards – Isaac Hasson, Mher FilianMixed By – Clif Norrell, Clif NorrellProducer – Superspy Programmed By – Isaac Hasson, Mher FilianRecorded By – Carlos Castro, Mark PortmannWritten By – Isaac Hasson, Lindy Robbins, Mher Filian

Mixed By – Humberto GaticaProducer – Humberto GaticaProgrammed By – Doug EmeryRecorded By – Cristian RoblesVocals [Duet With] – SelenaWritten By – Pete Astudillo, Selena

Engineer – Ted Bruner, Trey VittetoeMixed By – Clif NorrellProducer – Ted Bruner, Trey VittetoeWritten By – Gina Schock*, Ted Bruner, Trey Vittetoe

Engineer – Adam Comstock, Steve HammonsMixed By – Rock MafiaProducer – Rock MafiaWritten By – Antonina Armato, Selena Gomez, Thomas Armato Sturges, Tim James