Arranged By [Vocal Arrangement] – RedOneBacking Vocals – Jeanette Olsson, Jimmy Thornfeldt*, Josie Aiello, Teddy Sky, Trevor MuzzyEdited By [Vocal Editing] – Chris "Tek" O'Ryan, Trevor MuzzyEngineer – Chris "Tek" O'Ryan, Josh GudwinEngineer [Assisted By] – Anthony Falcone, Peter MackFeaturing – PitbullInstruments [All Played By And Programmed By] – RedOneMixed By – Trevor MuzzyProducer – RedOneProducer [Jennifer Lopez Vocals] – Kuk HarrellRecorded By [Pitbull Vocals] – Al BurnaWritten-By – AJ Junior, Bilal The Chef*, Enrique Iglesias, Jennifer Lopez, Pitbull

Backing Vocals – Josie Aiello, Justin AngelEngineer – Chris "TEK" O'Ryan, Josh GudwinFeaturing – Flo RidaMixed By – GoonRock, Kenny MoranProducer – GoonRockProducer [Vocals] – Kuk HarrellRecorded By [Leads Vocals, Assisted By] – Anthony Falcone, Peter MackVocals [Additional] – Lil Jon*Written-By – C. Tillman*, D. Quinones*, J. Listenbee*, J. Angel*, M. Warren*, T. Dillard*

Backing Vocals – Jeanette OlssonEdited By [Vocal Editing] – Chris "TEK" O'Ryan, Kuk HarrellEngineer [Additional And Assistant] – Damien LewisFeaturing – Lil WayneInstruments [All] – Mikkel S. Eriksen, Tor Erik HermansenManagement [Stargate] – Danny D.*, Tim Blacksmith Mixed By – Phil TanProducer – Stargate Producer [Vocals] – Kuk HarrellRecorded By – Mikkel S. Eriksen, Miles WalkerRecorded By [Lil Wayne's Vocals, Assisted By] – Elizabeth GallardoRecorded By [Lil Wayne's Vocals] – Mike "Banger" Cadahia*Recorded By [Vocals] – Jim Annunziato, Josh Gudwin, Kuk HarrellWritten-By – D. Carter*, M. S. Eriksen*, T Cruz*, T. E. Hermansen*

Accordion – Alessandro GiuliniArranged By [Vocal Arrangement] – Kuk Harrell, RedOneBacking Vocals – Kuk HarrellEdited By [Vocal Editing] – Chris "TEK" O'Ryan, Kuk Harrell, RedOneFeaturing – PitbullInstruments [All Other Played By And Programmed By] – RedOneMixed By – Trevor MuzzyProducer – RedOneProducer [Vocals] – Kuk Harrell, RedOneRecorded By [Pitbull's Vocals] – Al BurnaRecorded By [Vocals] – Jim Annunziato, Josh Gudwin, Kuk HarrellRecorded By, Engineer – RedOne, Trevor MuzzyWritten-By – AJ Junior, A. Perez*, Bilal "The Chef"*, G. Hermosa*, K. Hamid*, RedOne, T. Sky*, U. Hermosa*

Arranged By – Greg Lawson , Ric Wake, Richie JonesCoordinator – Chris ApostleEngineer – David SwopeEngineer [Assisted By] – Ronald L. MartinezExecutive-Producer – Cory Rooney, Jennifer LopezMixed By – Dan Hetzel, Jim Annunziato, Richie JonesPercussion, Drums, Programmed By – Richie JonesProducer – Cory Rooney, Ric Wake, Richie JonesProducer [Assistant] – Marc RussellRecorded By – Dave Scheuer*, Dan HetzelWritten-By – Amille D. Harris, Damon Sharpe, Georgette Franklin, Greg Lawson , Jeremy Monroe

Arranged By – Larry GoldBacking Vocals – Jennifer Karr, Shawnyette HarrellConductor – Larry GoldEngineer – Franklin Grant*Engineer [Assisted By] – Brian Calicchia, Chuck Bailey, Robb Williams, Tony MaseratiExecutive-Producer – Cory Rooney, Jennifer LopezProducer – Rodney JerkinsProgrammed By – Bill MakinaWritten-By – Cory Rooney, Fred Jerkins III, LaShawn Daniels, Rodney Jerkins

Arranged By – Dave Scheuer*, Ric Wake, Richie JonesBacking Vocals – Jane Barrett, Margret Dorn*, Maria Christiansen*, Rita Quintero, Wendy Peterson*Bass – Tom BarneyCoordinator – David Barrett*Engineer – Dave Scheuer*, Franklyn Grant, Thomas R. YezziEngineer [Assisted By] – Alfred Figueroa, Juan Bohorquez, Robb WilliamsGuitar – Chieli MinucciKeyboards – Eric KupperMixed By – Dan HetzelMixed By [Re-mixed] – Richie JonesPercussion, Drums – Richie JonesProducer – Dave Scheuer*, Ric Wake, Richie JonesWritten-By – Maria Christiansen*, Michael Garvin, Phil Temple

Engineer – Scotty Beatz*Engineer [Assisted By] – Chris AvedonFeaturing – FabolousMixed By [Re-mixed] – Cory RooneyProducer – Rich HarrisonRecorded By – Bruce Swedien, Peter Wade KeuschWritten-By – James Brown, John Jackson , Rich Harrison, Usher Raymond*

Backing Vocals – Natasha RamosDrum Programming – Troy OliverFeaturing – Jadakiss, Styles P.*Mixed By – Jean Marie Horvat*Producer – Cory Rooney, Poke & Tone*, Troy OliverRecorded By – Bruce Swedien, Peter Wade KeuschScratches – B-MoneyWritten-By – David Styles, Jose Fernando Arbex Miro*, Jason Phillips, Jean Claude Olivier*, Jennifer Lopez, Lawrence Parker*, Michael Oliver, Mr. Deyo, Samuel Barnes, Scott Sterling, Troy Oliver

Backing Vocals – Ashanti DouglasBass – Marty OstererEngineer – Brian Springer, Milwaukee BuckEngineer [Assisted By] – J.D. Andrew, Jay GoinExecutive-Producer – Cory Rooney, Jennifer LopezFeaturing – Ja RuleMixed By – Brian Springer, Irv GottiProducer – 7*, Irv GottiWritten-By – Cory Rooney, Irving Lorenzo, Jeffrey Atkins, Jennifer Lopez, L.E.S., Rick James, Troy Oliver

Engineer – Cory Rooney, Julio Reyes, Ryan TedderMixed By – Manny MarroquinProducer – Cory Rooney, Ryan TedderWritten-By – Anita Poree, Frank Wilson, Leonard Caston, Ryan Tedder

Featuring – Caddillac Tah, Ja RuleProducer – 7*, Irv GottiWritten-By – Ashanti Douglas, Caddillac Tah, Cory Rooney, Irving Lorenzo, Jeffrey Atkins, Jennifer Lopez

Backing Vocals – Jennifer KarrEngineer – Prince Charles*, Robb WilliamsEngineer [Assisted By] – Ariel BorujowExecutive-Producer – Cory Rooney, Jennifer LopezFeaturing – Big Pun*, Fat JoeMixed By – Jim Janik, Prince Charles*Producer – Sean "Puffy" Combs*Written-By – Christopher Rios, Cory Rooney, Jennifer Lopez, Joe Cartagena*, Sean "Puffy" Combs*, Steven Standard*

Backing Vocals – Makeba RiddickFeaturing – LL Cool JProducer – Cory Rooney, David McPherson*, Ron G.*Recorded By – Bruce Swedien, Peter Wade Keusch, Rob Williams Written-By – Curtis Richardson, David McPherson*, James Todd Smith, Jennifer Lopez, Lisa Peters, Makeba Riddick, Ron G, William*

Backing Vocals – Vicky Echevarri*Cello – Wells CunninghamDrums, Percussion – Ricardo 'Tiki' Pasillas*Guitar – Mario Guini, Wells CunninghamMixed By – Andres Bermudez, Julio ReyesPiano, Keyboards, Accordion – Julio ReyesProducer – Julio Reyes, Marc AnthonyRecorded By – Anthony KilhofferWritten-By – Jimena Romero, Julio Reyes, Marc Anthony

Alto Saxophone, Baritone Saxophone – Kenny Anderson Arranged By [Performance] – Kike SantanderBacking Vocals – Betty Wright, Donna AllenEngineer – Javier Garza, Marcelo AnezEngineer [Assisted By] – Simon Ramone, Steve MenezesExecutive-Producer – Cory Rooney, Emilio Estefan Jr.*, Jennifer LopezMixed By – Pablo FloresPercussion – Edwin BonillaPiano – Paquito Echavarria*Producer – Emilio Estefan Jr.*, Kike SantanderProgrammed By – Lester MendezTrombone – Herman T. Mulet*Trumpet – Douglas Michels*, Randall BarlowWritten-By – Gloria Estefan, Kike Santander

Featuring – Pitbull

Featuring – Ja Rule

Featuring – Caddillac Tah, Ja Rule

Featuring – Big Pun*, Fat Joe