•
Selena Gomez – lead vocals (all tracks) • John Hanes – mix
engineering (tracks 1, 2, 4, 6–10) •
Serban Ghenea –
mixing (tracks 1, 2, 4, 6–10) •
Rock Mafia – production (tracks 3, 11), mixing (track 3), guitar, piano, percussion & background vocals (track 11) •
Dreamlab – production (tracks 4, 9, 13, 14), vocal production (tracks 4, 5), vocal engineering (track 8) • Rob Ghost – engineering assistance (tracks 4, 9), mixing (tracks 13, 14), production (track 13) • Matt Beckley – vocal production (tracks 1, 15), engineering & mixing (track 15) • Simon French – engineering assistance (tracks 4, 13, 14), studio assistance (track 9) • Joe Pringle – engineering assistance (tracks 9, 13, 14), studio assistance (track 4) •
Mike Del Rio – production,
programming & additional vocals (track 1) • Steve Hammons – engineering (tracks 3, 11), additional production (track 3) •
Freddy Wexler – production, vocal production & background vocals (track 8) •
Toby Gad – production, programming & mixing (track 12) •
Ammo – production, programming &
instruments (track 15) • A.C. – additional production, programming & instruments (track 15) • Jonathan Sher – engineering (tracks 1, 15) •
The Cataracs – production (tracks 2, 10) •
Niles Hollowell-Dhar – vocal production (tracks 2, 10) • Adam Comstock – engineering (tracks 3, 11) • Dubkiller – additional production (tracks 3, 11) •
Phil Tan – mixing (tracks 5, 11) • Daniela Rivera – additional engineering assistance (tracks 5, 11) •
Jason Evigan – production (tracks 6, 7) • Afsheen – additional production & additional arrangement (track 12) • Crista Russo – additional vocals (track 1) • David Kuncio – co-production (track 2) • Cameron Stone – cello (track 3) • Peter Thomas – co-production (track 4) •
Stargate – production (track 5) •
Danny D – executive production (track 5) • Max Borghetti – additional production, programming & instruments (track 15) • Tim Blacksmith – executive production (track 5) • Aubry "Big Juice" Delaine – engineering (track 5) •
Ester Dean – vocal production (track 5) •
Mikkel S. Eriksen – instruments (track 5) •
Tor Erik Hermansen – instruments (track 5) • Jorge Velasco – engineering assistance (track 5) • Ian Nicol – engineering assistance (track 5) •
The Monsters & Strangerz – production (track 6) •
Dan Book – additional vocal production (track 6) •
Mitch Allan – production (track 7) •
Livvi Franc – background vocals (track 7) • Jai Marlon – production (track 8) •
Daniel Glashausser – engineering (track 8) • Partha Ray – additional drum programming (track 8) •
Rome Ramirez – guitar (track 10) • Aaron Dudley – guitar (track 11) • JMike – production (track 13) •
Brian Lee – production (track 14) •
Daniel James – mixing (track 14)
Credits •
Chris Gehringer –
mastering • Mio Vukovic – A&R • Sarah Yeo – A&R [Coordination] • Jeri Heiden – Art Direction • Dave Snow – Creative Director • Nick Steinhardt – Design • Brian Teefey – Management • Mandy Teefey – Management • Lincoln Wheeler – Management [Marketing] • Diego Uchitel – Photography By ==Charts==