Engineer – Sam HollandEngineer [Assistant] – Cory BiceGuitar, Bass, Keyboards, Programmed By, Backing Vocals [Additional] – Max MartinHandclaps – Tomas LjungKeyboards, Programmed By – Kristian LundinProducer – Kristian Lundin, Max MartinWritten-By – Kristian Lundin, Max Martin, Savan Kotecha

Producer, Instruments, Programmed By, Recorded By, Engineer – Morgan Taylor ReidWritten-By – Mika Guillory, Morgan Taylor Reid, Nick Carter

Arranged By [Strings], Violin – David DavidsonCello – John CatchingsDrums – Kris Sonne*Performer – Love Sponge Strings, The*Piano, Organ – Glen ScottProducer [Additional] – Andreas OlssonProducer, Bass, Acoustic Guitar – Martin TerefeProgrammed By – Andreas Olsson, Glen Scott, Kris Sonne*, Sam KeyteRecorded By – Adam Cole , Sam KeyteRecorded By [Additional] – Clinton WelanderRecorded By [Strings] – Baeho "Bobby" Shin*Synthesizer – Andreas OlssonViola – Kristin WilkinsonViolin – David AngellWritten-By – AJ McLean*, Andreas Olsson, Brian Littrell*, Howie Dorough, Magne Furuholmen, Martin Terefe, Nick Whitecross*

Percussion – Kris Sonne*Piano, Electric Piano [Wurlitzer], Programmed By, Synthesizer – Glen ScottProducer, Acoustic Guitar – Martin TerefeRecorded By – Glen Scott, Sam KeyteWritten-By – Martin Terefe, Sacha Skarbek

Producer, Instruments, Programmed By, Recorded By, Engineer – Morgan Taylor ReidWritten-By – AJ McLean*, Kevin Richardson, Mika Guillory, Morgan Taylor Reid

Electric Guitar, Acoustic Guitar – Adam LesterProducer, Recorded By, Keyboards, Arranged By – Dan MuckalaRecorded By [Assisted] – Brian Frederick, Nathaniel AlfordWritten-By – Bryan Shackle, Dan Muckala, Howie Dorough, Kevin Richardson, Nick Carter

Organ [Hammond], Electric Piano [Wurlitzer] – Nikolaj TorpProducer [Additional], Acoustic Guitar, Programmed By – James BryanProducer, Bass – Martin TerefeRecorded By – James Bryan, Sam KeyteWritten-By – James Bryan, James Morrison , Kyle Riabko, Martin Terefe

Drums – Kris Sonne*Piano – Glen ScottProducer, Bass, Acoustic Guitar, Percussion – Martin TerefeProgrammed By – Andreas Olsson, Sam KeyteRecorded By – Sam KeyteRecorded By [Assisted] – Adam Cole Saxophone – Carlos Sosa Trombone – Reggie WatkinsTrumpet – Fernando CastilloWritten-By – James Bryan, Justin Nozuka, Martin TerefeWritten-By [Horns], Performer [Horns], Recorded By [Horns] – Grooveline Horns

Engineer – Franny GrahamProducer [Vocal] – Jordan OmleyProducer, Instruments, Programmed By – Jaakko Manninen , Justin TrugmanWritten-By – Howie Dorough, Jaakko Manninen , Jordan Omley, Justin Trugman, Nick Carter

Producer, Instruments, Programmed By – Morgan Taylor ReidWritten-By – Howie Dorough, Morgan Taylor Reid, Sean Douglas

Backing Vocals [Additional] – Bryan Shackle, Dan Muckala, Jordan KellerElectric Guitar, Acoustic Guitar – Adam LesterProducer, Recorded By, Keyboards, Arranged By – Dan MuckalaRecorded By [Assisted] – Brian Frederick, Nathaniel AlfordWritten-By – Bryan Shackle, Dan Muckala, Howie Dorough, Kevin Richardson, Nick Carter

Producer, Instruments, Programmed By, Recorded By, Engineer – Morgan Taylor ReidWritten-By – Howie Dorough, Mika Guillory, Morgan Taylor Reid, Nick Carter

Producer, Instruments, Programmed By, Recorded By, Engineer – Morgan Taylor ReidWritten-By – Howie Dorough, Mika Guillory, Morgan Taylor Reid, Nick Carter

Drums, Bass, Piano, Synthesizer, Programmed By, Recorded By – Glen ScottProducer – Glen Scott, Martin TerefeProgrammed By [Additional] – Martin TerefeRecorded By [Additional] – Clinton WelanderWritten-By – Brian Littrell*, Glen Scott, Howie Dorough, Lowell Boland, Martin Terefe