Grey Barble Vinyl
| A1 | Till The World Ends Backing Vocals – Bonnie McKee, Lukasz Gottwald, Max Martin, Myah Marie, Patrizia Rogosch, Sam Holland, Stacey Barnett Coordinator [Production Coordination] – Clint Gibbs, Irene Richter Engineer – Emily Wright, Sam Holland Engineer [Assistant Mix] – Tim Roberts Engineer [Assistant] – Aniela Gottwald* Engineer [Mix] – John Hanes Mixed By – Serban Ghenea Producer [Vocals] – Emily Wright | |
| A2 | Hold It Against Me Backing Vocals – Bonnie McKee, Myah Marie Co-producer – Billboard Coordinator [Production Coordination] – Irene Richter, Megan Dennis Engineer – Emily Wright, Sam Holland Engineer [Assistant Mix] – Tim Roberts Engineer [Assistant] – Vezna Gottwald Engineer [Mix] – John Hanes Mixed By – Serban Ghenea Producer – Dr. Luke, Max Martin | |
| A3 | Inside Out Backing Vocals – Bonnie McKee, Myah Marie Coordinator [Production Coordination] – Clint Gibbs, Irene Richter Engineer – Emily Wright, Sam Holland Engineer [Assistant Mix] – Tim Roberts Engineer [Assistant] – Tatiana Gottwald Engineer [Mix] – John Hanes Mixed By – Serban Ghenea Producer [Additional Vocal Production] – Emily Wright | |
| A4 | I Wanna Go Backing Vocals – Chau Phan Engineer [Assistant Mix] – Tim Roberts Engineer [Mix] – John Hanes Guitar, Bass – Shellback (2) Mixed By – Serban Ghenea Producer, Recorded By, Keyboards – Max Martin, Shellback (2) | |
| A5 | How I Roll Backing Vocals – Bonnie McKee, Nicole Morier Engineer – Emily Wright, Sam Holland Engineer [Assistant Mix] – Tim Roberts Engineer [Assistant] – Eric Eylands Engineer [Mix] – John Hanes Mixed By – Serban Ghenea Written-By – Bonnie McKee, Christian Karlsson, Henrik Jonback, Magnus Lidehäll, Nicole Morier, Pontus Winnberg | |
| A6 | (Drop Dead) Beautiful Backing Vocals – Ammo (7), Benny Blanco (3), Bonnie McKee, Crystal „Cri$tyle” Johnson, Esther Dean, JMIKE, Myah Marie Coordinator [Production Coordination] – Clint Gibbs, Irene Richter Engineer – Emily Wright, Sam Holland Engineer [Assistant Mix] – Tim Roberts Engineer [Assistant] – Eric Eylands, Jeremy „J Boogs” Levin Engineer [Mix] – John Hanes Featuring – Sabi (2) Mixed By – Serban Ghenea Producer [Vocals] – Emily Wright | |
| B1 | Seal It With A Kiss Backing Vocals – Bonnie McKee, Sophia Black Coordinator [Production Coordination] – Clint Gibbs, Irene Richter Engineer – Emily Wright, Sam Holland Engineer [Assistant Mix] – Tim Roberts Engineer [Assistant] – Tatiana Gottwald Engineer [Mix] – John Hanes Mixed By – Serban Ghenea Producer [Additional Vocal Production] – Emily Wright | |
| B2 | Big Fat Bass Drum Programming [Additional] – DJ Ammo Featuring, Written-By, Producer, Drum Programming, Piano – Will.i.am Mixed By – Dylan „3D” Dresdow Recorded By, Engineer – Padraic „padlock” Kerin, Will.i.am | |
| B3 | Trouble For Me Engineer [Assistant Mix] – Tim Roberts Engineer [Mix] – John Hanes Mixed By – Serban Ghenea Producer, Keyboards, Drum Programming – Fraser T Smith Recorded By – Beatriz Artola Recorded By [Vocal Recording Assistant] – Eric Eylands | |
| B4 | Trip To Your Heart Backing Vocals – Nicole Morier Engineer [Assistant Mix] – Tim Roberts Engineer [Assistant] – Eric Eylands Engineer [Mix] – John Hanes Mixed By – Serban Ghenea Written-By – Christian Karlsson, Henrik Jonback, Magnus Lidehäll, Nicole Morier, Pontus Winnberg, Sophie Stern | |
| B5 | Gasoline Coordinator [Production Coordination] – Clint Gibbs, Irene Richter Engineer – Emily Wright, Sam Holland Engineer [Assistant Mix] – Tim Roberts Engineer [Mix] – John Hanes Mixed By – Serban Ghenea Producer [Vocals] – Emily Wright Producer, Instruments, Programmed By – Benny Blanco (3), Dr. Luke | |
| B6 | Criminal Backing Vocals – Chau Phan Engineer [Assistant Mix] – Tim Roberts Engineer [Mix] – John Hanes Guitar – Shellback (2) Mixed By – Serban Ghenea Producer, Recorded By, Keyboards – Max Martin, Shellback (2) |
