| Label: | Edel Records ERE 0044816 |
| Genre: | Electronic, Pop |
| Style: | Europop, Euro House |
| Format: | CD (Single) |
| 1 | Best Friend (Radio Version) | 3:28 |
| 2 | Best Friend (Extended Version) | 4:11 |
| Label: | Edel Records ERE 0058245 |
| Genre: | Electronic, Pop |
| Style: | Europop, Euro House |
| Format: | CD (Maxi-Single) |
| 1 | Best Friend (Radio Version) | 3:28 |
| 2 | Best Friend (The Poker Boys Toy-Mix Long Version) » Remix, Producer: Poker Boys, The | 6:28 |
| 3 | Best Friend (Elephant & Castle Mix) » Remix: Elephant & Castle | 5:05 |
| Label: | Edel Records ERE 0044815 |
| Genre: | Electronic, Pop |
| Style: | Europop, Euro House |
| Format: | CD (Maxi-Single) |
| 1 | Best Friend (Radio Version) » Mastered By: Golden Child | 3:28 |
| 2 | Best Friend (Maxi Version) » Mastered By: Golden Child | 4:11 |
| 3 | Best Friend (The Poker Boys Toy-Mix Long Version) » Mastered By: Mia Lorentzon » Remix, Producer [Additional]: Poker Boys, The | 6:28 |
| 4 | Best Friend (The Poker Boys Toy-Mix Short Version) » Mastered By: Mia Lorentzon » Remix, Producer [Additional]: Poker Boys, The | 3:12 |
| 5 | Best Friend (Elephant & Castle Mix) » Executive Producer: Haarder, Wennick » Mastered By: Mia Lorentzon » Remix: Elephant & Castle | 5:05 |
| Label: | Edel Records ERE 0044810 |
| Genre: | Electronic, Pop |
| Style: | Europop, Euro House |
| Format: | Vinyl (12") |
| A1 | Best Friend (Extented Version) » Mastered By: Golden Child | 3:28 |
| A2 | Best Friend (The Poker Boys Toy-Mix Long Version) » Remix, Producer [Additional: Poker Boys, The | 6:28 |
| A3 | Best Friend (Radio Version) » Mastered By: Golden Child, Mia Lorentzon | 4:11 |
| B1 | Best Friend (The Poker Boys Toy-Mix Short Version) » Mastered By: Mia Lorentzon » Remix, Producer [Additional]: Poker Boys, The | 3:12 |
| B2 | Best Friend (Elephant & Castle Mix) » Executive Producer: Haarder, Wennick » Mastered By: Mia Lorentzon » Remix: Elephant & Castle | 5:05 |
| Label: | Not On Label none |
| Genre: | Electronic, Pop |
| Style: | Europop, Euro House |
| Format: | CD (Maxi-Single , Promo) |
| 1 | Best Friend (Kaydee Vs. DJ NME) » Remix: DJ NME, Kaydee | 6:48 |
| 2 | Best Friend (Hampenberg Club Edit) » Remix: Hampenberg | 5:25 |
| 3 | Best Friend (Elephant & Castle Mix) » Remix: Elephant & Castle | 5:05 |
| 4 | Best Friend (The Poker Boys Toy-Mix Long Version) » Remix: Poker Boys, The | 6:28 |