Arranged By – Britney Spears, C. "Tricky" Stewart*, Penelope Magnet, Steve Lunt*Backing Vocals – Britney Spears, Courtney Copeland, Emma Roads, Penelope Magnet, Roxanne EstradaCo-producer – Penelope MagnetEdited By [Digital Editing] – Brian "B-Luv" Thomas, John Hanes, P-Dub Walton*Engineer [Assistant] – Charles McCrorey, David Treahearn, Rob Haggert*, Tim RobertsGuitar – Gary O'BrienInstruments [All Other], Programmed By – C. "Tricky" Stewart*Mixed By – Mark "Spike" Stent*, Serban GheneaProducer – TrixsterRecorded By – Brian "B-Luv" ThomasRecorded By [Madonna's Vocals] – Mark "Spike" Stent*Vocals [Featuring] – MadonnaWritten-By – B. Spears*, C. "Tricky" Stewart*, G. O'Brien*, Madonna, P. Magnet*, T. Nash*, T. "Tab" Nkhereanye*

Arranged By – Roy "Royalty" Hamilton*, Steve Lunt*Backing Vocals – Britney Spears, Chyna Royal, Roy Hamilton , Ying Yang TwinsBanjo, Guitar – Roy GartrellEdited By [Additional Pro Tools Engineering] – John HanesEngineer [Assistant] – Jason Rankins, Josh Copp, Tim RobertsInstruments [All Other] – Roy "Royalty" Hamilton*Mixed By – Serban GheneaProducer – Roy "Royalty" Hamilton*Rap [Featuring] – Ying Yang TwinsRecorded By – Pablo Munguia, Rich TapperWritten-By – C. Royal*, D Holmes*, E. Jackson*, R. Hamilton*

Arranged By – Bloodshy & Avant, Steve Lunt*Backing Vocals – BlackCell, Britney Spears, Cathy Dennis, Cathy Dennis, Emma HolmgrenBass – Thomas Lindberg*Edited By [Digital Editing] – Bloodshy & Avant, Chris HaggertyEngineer [Assistant] – J.D. Andrew, Jonas ÖstmanGuitar – Henrik JonbackInstruments [All Other], Programmed By – Bloodshy & AvantMixed By – Niklas FlycktProducer, Recorded By – Bloodshy & AvantWritten-By – B. Spears*, C. Dennis*, C. Karlsson*, H. Jonback*, P. Winnberg*

Backing Vocals – Britney Spears, Lisa GreeneCoordinator [Production] – Vanessa LetocqEngineer [Assistant] – Jong Uk Yoon, Matt Furmidge, Rich TapperKeyboards, Programmed By – Steve AndersonMixed By – Mark TaylorProducer – Mark TaylorRecorded By – Mark Taylor, Pablo MunguiaWritten-By – L. Greene*, S. Anderson*, S. Lee*

Backing Vocals – Britney Spears, Kyron Leslie, Moby, Penelope MagnetEdited By [Additional Pro Tools Engineering] – Dug , John HanesEngineer [Assistant] – Rich Tapper, Tim Roberts, Vance HornbuckleInstruments [All Other], Programmed By – MobyMixed By – Serban GheneaProducer [Vocals], Arranged By [Vocals] – Penelope Magnet, TrixsterProducer, Engineer – MobyRecorded By [Vocals], Edited By [Digital Editing] – Brian "B-Luv" ThomasWritten-By – B. Spears*, C. "Tricky" Stewart*, Moby, P. Magnet*

Arranged By – Bloodshy & Avant, Steve Lunt*Arranged By [Strings], Conductor [Strings] – Janson & JansonBacking Vocals – BlackCell, Britney Spears, Cathy Dennis, Emma HolmgrenBass – Thomas Lindberg*Edited By [Digital Editing] – Bloodshy & AvantEngineer [Assistant] – J.D. Andrew, Jonas ÖstmanGuitar – Henrik JonbackInstruments [All Other], Programmed By – Bloodshy & AvantMixed By – Niklas FlycktProducer, Recorded By – Bloodshy & AvantStrings ['bollywood'] – Stockholm Session StringsWritten-By – C. Dennis*, C. Karlsson*, H. Jonback*, P. Winnberg*

Backing Vocals – Britney Spears, Penelope Magnet, R. Kelly, Roxanne EstradaEdited By [Digital Editing] – Brian "B-Luv" Thomas, John HanesEngineer [Assistant] – Jason Mlodzinski, Nathan Wheeler, Rich Tapper, Steve Bearsley, Tim RobertsGuitar – Donnie LyleKeyboards [Additional] – Kendall NesbittMixed By – Serban GheneaMixed By [Co-mixed By] – R. KellyProducer – R. KellyProducer [Vocals], Arranged By [Vocals] – Penelope Magnet, TrixsterProgrammed By – Abel Garibaldi, Ian MerenessRecorded By – Abel Garibaldi, Andy Gallas, Ian MerenessRecorded By [Vocals] – Brian "B-Luv" ThomasWritten-By – R. Kelly

Arranged By – Jimmy HarryArranged By [String Arrangement] – Ed Alton Edited By [Digital Editing] – Dan Yashiv, P-Dub Walton*Engineer [Assistant] – David Treahearn, Rob HaggettKeyboards, Guitar, Programmed By – Jimmy HarryMixed By – Mark "Spike" Stent*Producer – Jimmy Harry, Shep Solomon*Recorded By – Brad Gilderman, Chriss Fudurich*Written-By – B. Muhammad*, B. Spears*, J. Harry*, S. Solomon*

Arranged By – Britney Spears, C. "Tricky" Stewart*, Penelope Magnet, Steve Lunt*Backing Vocals – Britney Spears, Penelope Magnet, Roxanne EstradaCo-producer – Penelope MagnetEdited By [Digital Editing] – Brian "B-Luv" Thomas, John HanesEngineer [Assistant] – Rich Tapper, Tim RobertsGuitar – Gary O'BrienInstruments [All Other], Programmed By – C. "Tricky" Stewart*Keyboards [Additional] – Da Corna Boyz*Mixed By – Serban GheneaProducer – TrixsterRecorded By – Brian "B-Luv" ThomasVocals [Dancehall Vocal Flava] – BUD*Written-By – B. Spears*, C. "Tricky" Stewart*, P. Magnet*, T. "Tab" Nkhereanye*

Backing Vocals – Britney Spears, The Matrix , The Wizard Of OzEngineer [Assistant] – Andrew Nast, Tom BenderMixed By – Mick GuzauskiProducer, Recorded By, Arranged By – The Matrix Written-By – B. Spears*, C. Midnight*, G. Edwards*, L. Christy*, S. Spock*

Backing Vocals – Britney Spears, Jennifer Karr, Kara DioguardiEngineer [Assistant] – Tony Zeller*Guitar [Additional] – Josh SchwartzProducer – Brian And JoshProgrammed By, Keyboards, Guitar – Brian KierulfRecorded By – Brian And JoshRecorded By [Vocals], Edited By [Vocals] – Brian*, Mike TuckerWritten-By – B. Kierulf*, B. Spears*, J. Schwartz*, K. Dioguardi*

Engineer [Assistant] – Seth WaldmannEngineer, Edited By, Mixed By – Sean McGheeInstruments [All Instruments Performed By] – Guy SigsworthProducer – Guy SigsworthWritten-By – A. Stamatelatos*, B. Spears*