| Person: | Characters | Episodes | |
| • Michael BublĂ© | played | 7 Episodes | |
| • Billie Joe Armstrong | played | 6 Episodes | |
| • Rob Thomas (2) | played | 6 Episodes | |
| • Mary J. Blige | played | 5 Episodes | |
| • Hillary Scott (2) | played | 5 Episodes | |
| • Sheryl Crow | played | 4 Episodes | |
| • Reba McEntire | played | 4 Episodes | |
| • Pharrell Williams | played | 4 Episodes | |
| • Monica | played | 4 Episodes | |
| • Joel Madden | played | 3 Episodes | |
| • Taylor Swift | played | 3 Episodes | |
| • Pat Monahan | played | 2 Episodes | |
| • Ne-Yo | played | 2 Episodes | |
| • Lady Antebellum | played | 2 Episodes | |
| • Justin Bieber | played | 2 Episodes |