Rodney Jerkins: Producer
Nile Rodgers: Guitar
Justin Timberlake: Producer, Vocal Arrangement
Britney Spears: Vocals, Backing Vocals
Pharrell Williams: Multi-Instruments
Andrew Coleman: Recording
Brad Gilderman: Recording
The Neptunes: Producer
Serban Ghenea: Mixing
Chad Hugo: Multi-Instruments
Tyler Collins: Backing Vocals
Jeanette Olsson: Backing Vocals
Max Martin: Guitar, Producer, Mixing, Backing Vocals, Recording
Rich Travali: Mixing
Stephen George: Mixing
Ryan Smith: Assistant Engineer
Jean-Marie Horvat: Mixing
BossLady: Backing Vocals
Mark Suozzo: String Arrangement
Tom Coyne: Mastering
Chris Thompson: Backing Vocals
Charles McCrorey: Assistant Engineer
Pablo Munguia: Recording
Brian Garten: Recording
Fabian Marasciullo: Recording
Herb Ritts: Photography
Javier Valverde: Assistant Engineer
Johnny Wright: Management
Marc Lee: Assistant Engineer
Rich Tapper: Assistant Engineer
Tim Roberts: Assistant Engineer
Jeff Pescetto: Backing Vocals
Sue Ann Carwell: Backing Vocals
Isaac Phillips: Guitar
Jennifer Karr: Backing Vocals
Kevyn Aucoin: Make-Up
Willie Wheaton, Jr.: Backing Vocals
Brian Kierulf: Drum Programming, Keyboard Programming, Vocal Arrangement, Vocal Producer, Vocal Recording
Rami Yacoub: Producer, Mixing, Recording
Thomas Lindberg: Bass
Esbjörn Öhrwall: Guitar
Jill Tengan: Assistant Engineer
Jordana: Illustrations
Paul Starr: Make-Up
Aaron Kaplan: Assistant Engineer
Paul Umbach: Guitar
John Amatiello: Engineer, Pro Tools, Assistant Engineer
Larry Rudolph: Management
Nana Hedin: Backing Vocals
Yasu: String Recording
Jamie Duncan: Assistant Engineer
Josh Schwartz: Guitar, Bass, Vocal Arrangement, Vocal Producer, Vocal Recording
Daniel Savio: Turntables
Rudolph and Beer, LLP: Legal Representation
Corey Chase: Scratches
Michael "PGA Tour" Tucker: Pro Tools, Vocal Recording, Recording
Dan Milazzo: Assistant Engineer
Jimmy Biondolillo: String Arrangement
Ann Marie Bush: Backing Vocals
Deann Dover: Backing Vocals
Albert D. Hall: Backing Vocals
Damien Hall: Backing Vocals
Maxayn Morguchi: Backing Vocals
Jason R. Scheff: Backing Vocals
Annika Törnkvist: Backing Vocals
Wade J. Robson: Producer
Rich Johnson: Assistant Engineer
Kurt & Bart : Stylist
Kevin Mancuso: Hair Stylist
Fredrik Peterhoff: Art Direction
Lisa Gralnek: Creative Coordinator, Production Coordination
Mark Archer-May: Illustrations