| recordings |
|---|
| 2011-07 | 3 | cover and live | Sunny | 3:26 |
| 2011-08-13 – 2011-08-14 | 3 | live | Britney Spears | 3:56 |
| 3 | | Britney Spears | 3:33 |
| 3 | cover | Glee Cast | 3:27 |
| 3 | cover | The Real Booty Babes | 3:05 |
| 3 | cover and instrumental | Twinkle Twinkle Little Rock Star | 3:32 |
| 3 | cover | The Real Booty Babes | ?:?? |
| 3 | | Britney Spears | 4:30 |
| 3 | | Britney Spears | 3:26 |
| 3 | | Britney Spears | 3:28 |
| 3 | cover | The Real Booty Babes | 3:34 |
| 3 | cover | Bossa Nova All-Star Ensemble | 3:38 |
| 3 (A.R. remix) | cover | Helen | 4:24 |
| 3 (Boy Boy radio edit) | | Britney Spears | 3:32 |
| 3 (Boy Boy remix) | | Britney Spears | 4:23 |
| 3 (clean radio edit) | | Britney Spears | 3:33 |
| 3 (club mix) | cover | The Real Booty Babes | 3:53 |
| 3 (club mix) | cover | The Real Booty Babes | 2:08 |
| 3 (Club Mix) | cover | The Real Booty Babes | 5:19 |
| 3 (Discotech remix club edit) | | Britney Spears | 4:23 |
| 3 (Discotech remix radio edit) | | Britney Spears | 3:41 |
| 3 (DJs From Mars Extended Remix) | cover | The Real Booty Babes | 6:10 |
| 3 (DJs From Mars FM Remix) | cover | The Real Booty Babes | 3:33 |
| 3 (DJs From Mars remix) | cover | The Real Booty Babes | 6:10 |
| 3 (Groove Police club mix) | | Britney Spears | 7:12 |
| 3 (Groove Police club mix) | | Britney Spears | 7:08 |
| 3 (Groove Police dub) | | Britney Spears | 7:09 |
| 3 (Groove Police extended mix) | | Britney Spears | 9:21 |
| 3 (Groove Police Mixshow) | | Britney Spears | 5:28 |
| 3 (Groove Police radio edit) | | Britney Spears | 3:57 |
| 3 (Groove Police radio mix) | | Britney Spears | 3:56 |
| 3 (Groove Police radio mix) | | Britney Spears | 3:49 |
| 3 (instrumental version) | instrumental | Britney Spears | 3:33 |
| 3 (Kindervater remix edit) | cover | The Real Booty Babes | 3:35 |
| 3 (Kindervater Remix Edit) | cover | The Real Booty Babes | 3:34 |
| 3 (Kindervater Remix) | cover | The Real Booty Babes | 5:09 |
| 3 (Manhattan Clique club remix) | | Britney Spears | 5:42 |
| 3 (Manhattan Clique radio edit) | | Britney Spears | 3:36 |
| 3 (Manhattan Clique remix) | | Britney Spears | 3:27 |
| 3 (Radio Edit) | cover | The Real Booty Babes | 3:03 |
| 3 (The Knocks extended remix) | | Britney Spears | 5:47 |
| 3 (The Knocks remix) | | Britney Spears | 3:46 |
| 3 (Tonal club remix) | | Britney Spears | 5:04 |
| 3 (Tonal remix) | | Britney Spears | 4:00 |
| 3 (Trypsin club mix) | | Britney Spears | 7:45 |
| 3 (Trypsin radio edit) | | Britney Spears | 4:05 |
| 3 (Wolfgang Gartner extended club remix) | | Britney Spears | 6:34 |
| 3 (Wolfgang Gartner radio edit) | | Britney Spears | 3:50 |
| 3 (Wolfgang Garttner radio edit) | | Britney Spears | 3:43 |
