| Going TiK ToK 4 U | Mash-up Fatale (Mixtape) |
| Till The World Ends - Friscia and Lamboy Club Remix | Till The World Ends The Remixes |
| Hold It Against Me - Ocelot (Club) | Hold It Against Me - The Remixes |
| Everytime | The Singles Collection (Deluxe Version) |
| Do Somethin' | The Singles Collection (Deluxe Version) |
| Boys (The Co-Ed Remix) - remix | The Singles Collection |
| If U Seek Amy (Mike Rizzo Funk Generation Club Mix) | If U Seek Amy |
| Early Mornin' - Jason Nevins Remix | B In The Mix - The Remixes |
| My Prerogative - X-Press 2 Vocal Mix | My Prerogative |
| My Prerogative - X-Press 2 Radio Edit | My Prerogative |
| Toxic (Lenny Bertoldo Radio Edit) | In The Zone (DVD Bonus Audio EP) |
| Toxic (Album Mix Instrumental) | Toxic |
| Lonely | Britney (Deluxe Version) |
| Oops!... I Did It Again (Rodney Jerkins Remix) | Oops!... I Did It Again |
| Intimidated (2009 Remaster) | The Singles Collection |
| Slumber Party (Misha K Remix) | Slumber Party (Remix EP) |
| Telephone | The Unreleased Collection |
| Over To You Now | The Unreleased Collection |
| Baby Boy | The Unreleased Collection |
| Work Bitch (DANK USA Club Mix) | Britney Jean |
| Circus (Twister Rave Remix) | Circus (Twister Rave Remix) |
| Dear Diary | The Collection Britney Spears |
| Till The World Ends | Femme Fatale (Deluxe Version) |
| All That She Wants | Brand New Brit (B-Side+Unreleased) |
