Credits

Diplo: Producer
Ludacris: Additional Vocals
David Grant: Marketing
Rodney Jerkins: Producer, Drums, Harpsichord, Mixing, Piano
Eric Dawkins: Backing Vocals
Serban Ghenea: Mixing
Big Sean: Additional Vocals
John Hanes: Mixing
Kuk Harrell: Producer, Backing Vocals
Phil Tan: Mixing
Justin Bieber: Producer, Vocals
Drake: Additional Vocals
Nicki Minaj: Additional Vocals
Mike Posner: Keyboards, Producer
Zedd: Keyboards, Mixing, Producer, Programming
Antonio Dixon: Instrumentation
Ariel Chobaz: Vocal Engineer
Artie Reynolds: Bass
Bei Maejor: Producer
Ben Watts: Photography
Dave Poler: Assistant
Doug Joswick: Package Production
Kim Lumpkin: A & R
Kristen Yiengst: Art Direction, Photo Production
Michael Alexander: Marketing
Michael Ripoll: Guitar
Rob Kinelski: Engineer
James "Scrappy" Stassen: Engineer
Karen Kwak: A & R
Usher Raymond: Executive Producer
Scott Townsend: Art Producer
Mark Tavern: A & R
Ben Steele: Guitar Engineer
Ariel Rechtshaid: Producer
Travis Sayles: Piano, Producer, Strings
Nasri Atweh: Backing Vocals, Vocal Arrangement, Arranger, Producer
Jaycen Joshua: Mixing
Todd Russell: Art Director, Design
Greg Morgan: Backing Vocals, Sound Design
Patrick J. Que Smith: Producer
Ramon Rivas: Assistant
Josh Gudwin: Engineer
Chris Galland: Mixing Assistant
Matt Voss: Marketing
Dave Kutch: Mastering
Jacob Luttrell: Producer
Peter Mack: Assistant
Scooter Braun: Executive Producer
Ryan Good: Creative Director
Dan Kanter: Producer
Phil Seaford: Mixing Assistant
Daniella Rivera: Assistant Engineer
Delbert Bowers: Mixing Assistant
Dennis "Aganee" Jenkins: Drums, Producer
Will Anspach: Assistant
Andre "Drizza Don" Bridges: Engineer
Brandon N. Caddell: Assistant Engineer
Matt Champlin: Mixing Engineer
Thomas Cullison: Assistant Engineer
Deanna Della Cioppa: Backing Vocals
Dammo Farmer: Bass
Corey Gamble: A & R
Kenny Hamilton: A & R
Trehy Harris: Assistant
Christopher Hicks: Producer
Hit Boy: Producer
DJ Tay James: Scratching
Nolan Lambroza: Arranger, Producer, Programming
Andre Lindal: Producer
Thomas Lumpkins: Backing Vocals
Matthew Musto: Guitar Producer
SoFLY & Nius: Producer
Chris "Tek" O'Ryan: Engineer
The Pentagon: Producer
Gennaro Schiano: Assistant
Anna Ugarte: Assistant Engineer