Backing Vocals – Sue Ann CarwellEngineer – Mario LuccyEngineer [Assistant] – "Famous" David Nash*, Tom BenderGuitar – Michael Thompson, Tim PierceMixed By – Mick GuzauskiProducer, Arranged By, Programmed By, Programmed By – Guy RocheSynthesizer [Moog] – John GlaserWritten-By, Executive Producer – Diane Warren

Engineer – Doc Little, Mike HatzingerGuitar – Anthony MazzaMixed By – Rob ChiarelliMixed By [Assistant] – Michael HuffProducer, Arranged By, Programmed By [Drum], Keyboards – Ron HarrisWritten-By – Franne Golde, Tom Snow

Co-producer – Doreen DorianEngineer – Mario LuccyEngineer, Guitar – Ali BoudrisKeyboards [Additional] – Ron FairMixed By – Dave "Hard Drive" Pensado*Mixed By [Assistant] – Jeff GriffinProducer, Arranged By, Programmed By [Drum], Keyboards – Khris KellowProgrammed By [Additional Drum] – Eric AnestWritten-By, Executive Producer – Diane Warren

Arranged By [Additional Vocal] – Christina AguileraArranged By [Vocal] – Pam SheyneMixed By – Dave WayWritten-By – Sheyne*Written-By, Producer, Recorded By, Arranged By, Arranged By [Vocal], Drums, Keyboards – David FrankWritten-By, Producer, Recorded By, Arranged By, Arranged By [Vocal], Drums, Keyboards [Additional] – Steve Kipner

Mixed By – Peter MokranMixed By [Assistant] – Tony FloresProducer, Recorded By [Vocals] – Aaron ZigmanWritten-By, Producer, Engineer, Programmed By [Drum] – Johan AbergWritten-By, Producer, Programmed By [Drum], Keyboards – Paul Rein