| CD-1 | Womanizer Mixed By – Serban Ghenea Producer – K. Briscoe, The Outsyders Recorded By – Bojan "Genius" Dugic*, Brendan Dekora Recorded By [Additional] – Jim Beanz, Marcella "Ms. Lago" Araica* Written-By – Nikesha Briscoe, Rafael Akinyemi | 3:44 | |
| CD-2 | Circus Producer, Keyboards, Programmed By, Drums – Benny Blanco (3) Recorded By [Vocal Editing] – Matt Beckly* | 3:12 | |
| CD-3 | Out From Under Backing Vocals – Leah Haywood Producer, Strings, Keyboards, Programmed By [Drums] – Guy Sigsworth Recorded By [Assisted By], Mixed By [Assisted By] – Valente Torrez Recorded By, Mixed By, Acoustic Guitar, Electric Guitar, Guitar [Synth Bass], Programmed By [Drums] – Andy Page | 3:54 | |
| CD-4 | Kill The Lights Engineer [Pro Tools Editing] – Ron Taylor Producer – Danja Producer [Vocals] – Jim Beanz Recorded By [Assisted By], Mixed By [Assisted By] – Jared Newcomb Recorded By, Mixed By – Marcella "Ms. Lago" Araica* | 3:59 | |
| CD-5 | Shattered Glass Backing Vocals – Claude Kelly, Windy Wagner Producer – Benny Blanco (3), Dr. Luke Recorded By – Emily Wright Recorded By [Assisted By] – Aniela Gottwald*, Chris Kaysch* | 2:52 | |
| CD-6 | If U Seek Amy Backing Vocals – Britney Spears, Kinnda Producer, Programmed By, Backing Vocals – Max Martin Programmed By – Shellback (2) Recorded By – Seth Waldmann | 3:37 | |
| CD-7 | Unusual You Backing Vocals – Kasia Livingston Mixed By – Anders Hvenare Producer, Recorded By, Mixed By, Bass, Guitar – Bloodshy & Avant Recorded By – Andrew Wyatt Recorded By, Guitar [Additional] – Henrik Jonback | 4:21 | |
| CD-8 | Blur Backing Vocals – Luke Boyd Engineer [Pro Tools Editing] – Ron Taylor Producer – Danja Recorded By [Assisted By], Mixed By [Assisted By] – Jared Newcomb Recorded By, Mixed By – Marcella "Ms. Lago" Araica* | 3:09 | |
| CD-9 | Mmm Papi Backing Vocals, Producer [Vocals] – Nicole Morier Guitar – Chris Worthy Mixed By – Tony Maserati Producer, Music By, Programmed By – Let's Go To War Recorded By – Henry Walter | 3:22 | |
| CD-10 | Mannequin Producer – Rob Knox Producer, Mixed By – Harvery Mason, Jr.* Recorded By – Andrew Hey, Dabling Harward Recorded By [Additional] – David Boyd (4) | 4:07 | |
| CD-11 | Lace And Leather Backing Vocals – Debi Nova, Kesha Sebert Co-producer – Benny Blanco (3) Recorded By [Assisted By] – Aniela Gottwald* | 2:50 | |
| CD-12 | My Baby Producer – Guy Sigsworth Recorded By [Assisted By], Mixed By [Assisted By] – Brendan Dekora Recorded By, Mixed By, Acoustic Guitar, Electric Guitar, Piano, Strings, Synthesizer, Programmed By [Drums] – Andy Page Written-By – Britney Spears, Guy Sigsworth | 3:22 | |
| Bonus Tracks | |||
| CD-13 | Radar Backing Vocals – Candice Nelson Bass, Guitar – Henrik Jonback Co-producer – The Clutch Mixed By – Niklas Flyckt Recorded By – Bloodshy & Avant | 3:50 | |
| CD-14 | Rock Me In Producer [Additional Vocals], Backing Vocals [Additional Vocals], Backing Vocals [Additional] – Nicole Morier Producer, Recorded By, Keyboards, Guitar, Bass, Programmed By – Greg Kurstin Recorded By [Vocals] – Brendan Dekora | 3:18 | |
| CD-15 | Phonography Backing Vocals – Candice Nelson Bass [Additional], Guitar [Additional] – Bloodshy & Avant Engineer [Assistant] – Mack Burkhart Mixed By – Tony Maserati Producer – The Clutch Recorded By, Bass, Guitar – Henrik Jonback | 3:34 | |
| Bonus DVD | |||
| DVD-1 | The Making Of The Circus Album | ||
| DVD-2 | Womanizer Video (Director's Cut) | ||
| DVD-3 | Photo Gallery |