| Name | Type | Role | |
|---|---|---|---|
| Jesse McCartney | Musical Guest | Performer | |
| Taylor Swift | Musical Guest | Performer | |
| Joe Jonas | Musical Guest | Performer | |
| Robin Thicke | Musical Guest | Performer | |
| Nick Jonas | Musical Guest | Performer | |
| Solange | Musical Guest | Performer | |
| will.i.am | Musical Guest | Performer | |
| Kevin Jonas | Musical Guest | Performer | |
| Natasha Bedingfield | Musical Guest | Performer | |
| Lionel Richie | Musical Guest | Performer | |
| Shaffer Chimere Smith | Musical Guest | Performer | |
| Nicole Scherzinger | Musical Guest | Performer | |
| Kellie Pickler | Host | Co-host | |
| Fergie | Host | Co-host |