Coordinator [Production Coordination] – Becky Scott, Megan Dennis, Vanessa SilbermanDrums, Keyboards, Programmed By – Ammo , Benny Blanco , Dr. LukeEdited By [Vocal Editing] – Emily WrightEngineer – Emily Wright, Matt BeckleyProducer – Ammo , Benny Blanco , Dr. LukeWritten-By – Joshua Coleman, Kesha Sebert, Pebe Sebert

Coordinator [Production Assistance] – Vanessa SilbermanCoordinator [Production Coordination] – Gary "G" Silver*Drums, Keyboards, Programmed By – Benny Blanco , Dr. LukeEdited By [Vocal Editing, Assisted By] – Tatiana GottwaldEdited By [Vocal Editing] – Emily WrightEngineer – Benny Blanco , Emily Wright, Sam HollandProducer – Benny Blanco , Dr. LukeWritten-By – Benjamin Levin, Kesha Sebert, Lukasz Gottwald

Backing Vocals – Claude Kelly, The PickleheadzBacking Vocals [The Pickleheadz] – Aniela Gottwald*, Graham Bryce, Lukasz Gottwald, Tatiana GottwaldCoordinator [Production Coordination] – Becky Scott, Megan Dennis, Vanessa SilbermanDrums, Keyboards, Programmed By – Dr. LukeEdited By [Vocal Editing] – Emily WrightEngineer – Emily Wright, Sam HollandProducer – Dr. LukeWritten-By – Claude Kelly, Kesha Sebert, Lukasz Gottwald

Drums, Keyboards, Programmed By – Dr. LukeEngineer – Emily Wright, Sam Holland, Seth WaldmannEngineer [Assisted By] – Aniela Gottwald*, Eric EylandsProducer – Dr. Luke, Max MartinWritten-By – Kesha Sebert, Lukasz Gottwald, Max Martin, Shellback

Accordion – Ke$ha*Co-producer – Oliver LeiberInstruments, Programmed By – David GamsonProducer – David GamsonRecorded By – David Gamson, Oliver LeiberWritten-By – David Gamson, Kesha Sebert, Oliver Leiber, Pebe Sebert

Drums, Keyboards, Programmed By – Benny Blanco Engineer – Benny Blanco Featuring – 3OH!3Producer – Benny Blanco Written-By – Benjamin Levin, Kesha Sebert, Neon Hitch, Sean Foreman

Drums, Keyboards, Programmed By – Ammo , Dr. LukeEdited By [Vocal Editing] – Emily WrightGuitar – Dr. LukeProducer – Dr. Luke, Max MartinProducer [Additional Production] – Ammo Written-By – Kesha Sebert, Lukasz Gottwald, Max Martin, Shellback

Engineer – Benny Blanco , Emily Wright, Shellback Instruments, Programmed By – Benny Blanco , Shellback Producer – Benny Blanco , Shellback Written-By – Benjamin Levin, Kesha Sebert, Shellback

Instruments, Programmed By – David GamsonProducer – David GamsonRecorded By – David GamsonSaxophone – Andrew Snitzer*Trumpet – Jim Hynes*Written-By – David Gamson, Jon Ingoldsby, Kesha Sebert, Marc Nelkin

Coordinator [Production Coordination] – Becky Scott, Megan Dennis, Vanessa SilbermanDrums, Keyboards, Programmed By – Ammo , Benny Blanco , Dr. LukeEdited By [Vocal Editing] – Emily WrightEngineer – Emily Wright, Lukasz GottwaldProducer – Ammo , Benny Blanco , Dr. LukeWritten-By – Benjamin Levin, Joshua Coleman, Kesha Sebert, Lukasz Gottwald

Cowbell – Ke$ha*Keyboards – Max MartinProducer – Max Martin, Shellback Recorded By – Max Martin, Shellback Whistle – Ke$ha*, Shellback Written-By – Kesha Sebert, Max Martin, Shellback

Coordinator [Production Coordination] – Becky Scott, Megan Dennis, Vanessa SilbermanDrums, Keyboards, Programmed By – Benny Blanco , Dr. LukeEdited By [Vocal Editing] – Emily WrightEngineer – Emily Wright, Sam HollandProducer – Benny Blanco , Dr. LukeWritten-By – Benjamin Levin, Claude Kelly, Kesha Sebert, Lukasz Gottwald

Backing Vocals – Miriam Nervo, Olivia NervoEngineer [Additional] – Emily WrightInstruments, Arranged By [Instruments] – Tom NevilleProducer – Tom NevilleProducer [Vocal Production] – Miriam Nervo, Olivia NervoRecorded By – Tom NevilleWritten-By – Kesha Sebert, Miriam Nervo, Olivia Nervo, Tom Neville

Keyboards, Programmed By – Greg KurstinProducer – Greg KurstinRecorded By – Greg KurstinWritten-By – Greg Kurstin, Kesha Sebert, Lukasz Gottwald, Pebe Sebert

Coordinator [Production Coordination] – Irene Richter, Megan DennisEngineer – Chris "TEK" O'Ryan, Emily Wright, Seth WaldmannEngineer [Assisted By] – Aniela Gottwald*, Eric EylandsInstruments, Programmed By – Ammo , BillboardProducer – Ammo , BillboardWritten-By – Joshua Coleman, Kesha Sebert, Mathieu Jomphe, Pebe Sebert

Backing Vocals – Benjamin Levin, Emily Wright, Lukasz Gottwald, Rani Hancock, Sam HollandCoordinator [Production Coordination] – Irene Richter, Megan DennisEngineer – Chris "TEK" O'Ryan, Emily Wright, Sam HollandEngineer [Assisted By] – Jeremy Levin, Tatiana GottwaldInstruments, Programmed By – Ammo , Benny Blanco , Dr. LukeProducer – Ammo , Benny Blanco , Dr. LukeWritten-By – Benjamin Levin, Jacob Kasher Hindlin*, Joshua Coleman, Kesha Sebert, Lukasz Gottwald

Backing Vocals – Benjamin Levin, Emily Wright, Lukasz Gottwald, Rani Hancock, Sam HollandCoordinator [Production Coordination] – Irene Richter, Megan DennisEngineer – Chris "TEK" O'Ryan, Chris Holmes , Emily Wright, Sam HollandEngineer [Assisted By] – Aniela Gottwald*, Jeremy LevinInstruments, Programmed By – Benny Blanco , Dr. Luke, Shondrae "Mr. Bangladesh" Crawford*Producer – Benny Blanco , Dr. Luke, Shondrae "Mr. Bangladesh" Crawford*Written-By – Benjamin Levin, Kesha Sebert, Klas Åhlund, Lukasz Gottwald, Shondrae Crawford

Coordinator [Production Coordination] – Irene Richter, Megan DennisEngineer – Chris "TEK" O'Ryan, Emily Wright, Sam HollandEngineer [Assisted By] – Jeremy Levin, Tatiana GottwaldInstruments, Programmed By – Benny Blanco , Dr. Luke, Kool Kojak*, Max MartinProducer – Benny Blanco , Dr. Luke, Kool Kojak*, Max MartinWritten-By – Allan Grigg*, Benjamin Levin, Kesha Sebert, Klas Åhlund, Lukasz Gottwald, Max Martin

Coordinator [Production Coordination] – Irene Richter, Megan DennisEngineer – Chris "TEK" O'Ryan, Emily Wright, Eric WeaverEngineer [Assisted By] – Aniela Gottwald*, Eric EylandsInstruments, Programmed By – Ammo Producer – Ammo Written-By – Joshua Coleman, Kesha Sebert

Coordinator [Production Coordination] – Irene Richter, Megan DennisEngineer – Chris "TEK" O'Ryan, Emily Wright, Sam HollandEngineer [Assisted By] – Aniela Gottwald*Instruments, Programmed By – Dr. LukeProducer – Dr. LukeWritten-By – Kesha Sebert, Lukasz Gottwald, Max Martin, Pebe Sebert

Coordinator [Production Coordination] – Irene Richter, Megan DennisEngineer – Chris "TEK" O'Ryan, Emily Wright, Sam HollandEngineer [Assisted By] – Jeremy Levin, Tatiana GottwaldInstruments, Programmed By – Benny Blanco , Dr. Luke, Max MartinProducer – Benny Blanco , Dr. Luke, Max MartinWritten-By – Benjamin Levin, Kesha Sebert, Lukasz Gottwald, Max Martin

Instruments, Programmed By – David GamsonProducer – David GamsonRecorded By, Mixed By – David GamsonWritten-By – David Gamson, Kesha Sebert, Marc Nelkin

Mixed By – BillboardProducer – Greg KurstinRemix, Producer [Additional] – BillboardWritten-By – Greg Kurstin, Kesha Sebert, Lukasz Gottwald, Pebe Sebert

Film Director – Skinny Film Producer – Partizan Films

Film Director – Skinny Film Producer – Partizan Films

Film Director – Skinny Film Producer – Partizan Films