1 WomanizerMixed By – Serban GheneaProducer – K. Briscoe, The OutsydersRecorded By – Bojan "Genius" Dugic*, Brendan DekoraWritten-By – Nikesha Briscoe, Rafael Akinyemi 3:43
2 CircusBacking Vocals – Cathy Dennis, Myah MarieMixed By – Serban GheneaProducer – Dr. LukeProducer, Keyboards, Programmed By, Written-By – Benjamin LevinRecorded By – Emily Wright, Matt Beckly, Sam HollandWritten-By, Backing Vocals – Claude KellyWritten-By, Guitar, Keyboards, Programmed By – Lukasz Gottwald 3:12
3 Out From UnderBacking Vocals – Leah HaywoodProducer, Keyboards – Guy SigsworthRecorded By, Mixed By, Guitar – Andy PageWritten-By – Arnthor Birgisson*, Shelly Peiken, Wayne Hector 3:54
4 Kill The LightsProducer, Written-By – DanjaWritten-By – James Washington (2), Luke BoydWritten-By, Recorded By, Mixed By – Marcella Araica 3:59
5 Shattered GlassBacking Vocals – Windy WagnerBacking Vocals, Written-By – Claude KellyKeyboards, Guitar, Programmed By, Written-By – Lukasz GottwaldMixed By – Serban GheneaProducer – Dr. LukeProducer, Written-By – Benjamin LevinRecorded By – Emily Wright 2:53
6 If U Seek AmyBacking Vocals – Britney Spears, KinndaMixed By – Serban GheneaProducer, Programmed By, Written-By, Backing Vocals – Max MartinProgrammed By, Written-By – Shellback (2)Recorded By – Seth WaldmannWritten-By – Alexander Kronlund, Savan Kotecha 3:37
7 Unusual YouMixed By – Anders HvenareProducer, Recorded By, Mixed By, Keyboards, Bass, Guitar – Bloodshy & AvantRecorded By – Andrew WyattWritten-By – Christian Karlsson, Pontus WinnbergWritten-By, Backing Vocals – Kasia LivingstonWritten-By, Recorded By – Henrik Jonback 4:23
8 BlurBacking Vocals – Luke BoydProducer, Written-By – DanjaWritten-By – Stacy BartheWritten-By, Recorded By, Mixed By – Marcella Araica 3:09
9 Mmm PapiGuitar – Chris WorthyMixed By – Tony MaseratiProducer, Music By, Programmed By – Let's Go To WarWritten-By – Adrian Gough, Britney Spears, Peter KerrWritten-By, Backing Vocals – Nicole MorierWritten-By, Recorded By – Henry Walter 3:22
10 MannequinProducer, Written-By, Mixed By – Harvey Mason Jr.Recorded By – Andrew Hey, Dabling HarwardWritten-By – Britney Spears, James Fauntleroy II, Rob Knox 4:06
11 Lace And LeatherBacking Vocals – Debi Nova, Kesha SebertCo-producer, Written-By – Benjamin LevinMixed By – Serban GheneaProducer – Dr. LukeRecorded By – Emily WrightWritten-By – Frankie Storm, Ronnie JacksonWritten-By, Programmed By, Keyboards, Guitar – Lukasz Gottwald 2:43
12 My BabyMixed By – Andy PageProducer, Written-By – Guy SigsworthWritten-By – Britney Spears 3:20
13 RadarCo-producer – The ClutchMixed By – Niklas FlycktProducer, Recorded By, Keyboards, Programmed By – Bloodshy & AvantWritten-By – Balewa Muhammad, Christian Karlsson, Ezekiel Lewis, Patrick J. Que Smith, Pontus WinnbergWritten-By, Backing Vocals – Candice NelsonWritten-By, Bass, Guitar – Henrik Jonback 3:49