Credits adapted from the liner notes of the deluxe edition of
Confident.
Performers and musicians •
Demi Lovato – lead vocals, background vocals, piano (tracks 5, 11), keys (track 10) •
Iggy Azalea – vocals (track 6) •
Sirah – vocals (track 7) • Erik Arvinder – strings (track 11) •
Babydaddy – keys (track 3) • David Bukovinszky – cello (tracks 4, 13) • Mattias Bylund – strings (track 4) •
Johan Carlsson – background vocals (tracks 4, 13), keys (tracks 4, 13), guitar (tracks 4, 13), percussion (track 4), bass (track 13) •
Peter Carlsson – live drums (track 1) •
Jason Evigan – keys (track 3), all instrumentation (track 7) •
Carl Falk – background vocals (track 12) • Colette Falla – background vocals (track 4) • Staffan Findin – trombone (track 1) • Kristoffer Fogelmark – background vocals (track 12) •
Livvi Franc – additional background vocals (track 3) • Paul Gendler – guitar (track 9) •
Rickard Göransson – percussion (track 1) • Oscar Holter – background vocals (track 1) • Mattias Johansson – violin (tracks 4, 13) •
Savan Kotecha – background vocals (tracks 1, 2) • Chris Laws – drums (tracks 6, 9) •
Steve Mac – all keyboards (tracks 6, 9), all instrumentation (track 7) •
Max Martin – keys (track 1), percussion (track 1) • Eru Matsumoto – cello (track 5) • Albin Nedler – background vocals (track 12) • Karl Olandersson – trumpets (track 1) •
Ali Payami – guitar (track 2), drums (track 2), percussion (track 2) • Stefan Persson – trumpets (track 1) •
Laleh Pourkarim – background vocals (tracks 5, 10, 11), piano (track 5), bass (tracks 5, 11), synth (tracks 5, 10, 11), percussion (track 11), organ (track 11), guitar (track 11) •
Ilya Salmanzadeh – background vocals (track 1), guitar (track 1), bass (track 1), keys (track 1), percussion (track 1), drums (track 13) •
Stargate – all instruments (track 8) •
Ryan Tedder – background vocals (track 8) • Jonas Thander – saxophone (track 1) • Gustaf Thörn – background vocals (tracks 5, 10, 11), piano (tracks 5, 11), synth (tracks 5, 11), keys (track 10), organ (tracks 10, 11), bass (track 10) •
Ina Wroldsen – background vocals (track 9) •
Rami Yacoub – background vocals (track 12)
Production •
Mitch Allan – vocal production (tracks 3, 7, 8) •
Babydaddy – additional production (track 3) • Spencer Bastian – additional programming (track 3) • Cory Bice – engineering (track 13) • Mattias Bylund – string arrangement (tracks 4, 13) •
Johan Carlsson – music production (tracks 4, 13), vocal production (tracks 4, 13), drum programming (track 13) •
Peter Carlsson – vocal production (tracks 4, 13) •
Tom Coyne – mastering •
Jason Evigan – music production (tracks 3, 7) •
Carl Falk – music production (track 12), programming (track 12) •
Serban Ghenea – mixing (tracks 1–7, 9–13) • Sam Holland – engineering (tracks 1, 2, 4, 13) • Chris Laws – engineering (tracks 6, 9), additional engineering (track 7) •
Steve Mac – music production (tracks 6, 7, 9) • Mag – FX programming (track 10), drum programming (track 10) •
Max Martin – music production (tracks 1, 2), programming (track 1), additional programming (track 2) • Randy Merrill – assistant mastering • Noah "Mailbox" Passovoy – engineering (track 4) •
Ali Payami – music production (tracks 2, 4), programming (track 2) •
Laleh Pourkarim – music production (tracks 5, 10, 11), vocal production (track 10), cello arrangement (track 5), engineering (tracks 5, 10, 11), drum programming (tracks 5, 10, 11), FX programming (track 10), synth programming (track 11) • Dann Pursey – engineering (tracks 6, 9) • Daniela Rivera – additional engineering (track 8), assistant engineering (track 8) •
Ilya Salmanzadeh – music production (tracks 1, 13), programming (track 1), drum programming (track 13) •
Stargate – music production (track 8) •
Phil Tan – mixing (track 8) • Isaiah Tejada – additional programming (track 3) • Jonas Thander – horn arrangement (track 1) • Gustaf Thörn – assistant production (track 10), assistant engineering (tracks 5, 10, 11), string arrangement (track 5), synth programming (track 11) •
Rami Yacoub – music production (track 12), programming (track 12)
Design • Sandy Brummels – creative direction • Jessica Kelly – additional packaging design • Todd Russell – art direction and design •
Yu Tsai – photography == Charts ==