Wednesday 15th September 2004 - The Thomas & Mack Center, Las Vegas

| Best Male Artist | Usher |
| Best Female Artist | Norah Jones |
| Best Group | Outkast |
| Best Male Pop Artist | Usher |
| Best Female Pop Artist | Norah Jones |
| Best Pop Group | Outkast |
| Best Pop/Rock Act | Avril Lavigne |
| Best Rock Act | Evanescence |
| Best R&B Act | Usher |
| Best Hip Hip Act | Outkast |
| Best Latin Act | Marc Anthony |
| Best New Female Artist | Hilary Duff |
| Best New Male Artist | Kanye West |
| Best New Group | Maroon 5 |
| Diamond Award | Celine Dion |
|
Outstanding Contribution to the Music Industry Award |
Clive Davis |
| Best-selling Artist/Australia | Delta Goodrem |
Best-selling Artist/United Kingdom: |
Dido |
| Best-selling Artist/Ireland | Westlife |
Best-selling Artist/Netherlands |
DJ Tiesto |
| Best-selling Artist/Ukraine | Ruslana |
| Best-selling Artist/Russia | Philip Kirkorov |
| Best-selling Artist/Germany | Sarah Connor |
| Best-selling Artist/Africa | Latifah |
| Best-selling Artist/Scandinavia | The Rasmus |
| Best-selling Artist/Italy | Eros Ramazzotti |
| Best-selling Artist/Switzerland | DJ Bobo |