| Seasons | Years | Judges |
|---|---|---|
| 1–7 | 2002–2008 | Randy Jackson, Paula Abdul, Simon Cowell |
| 8 | 2009 | Randy Jackson, Kara DioGuardi, Paula Abdul, Simon Cowell |
| 9 | 2010 | Randy Jackson, Ellen DeGeneres, Kara DioGuardi, Simon Cowell |
| 10–11 | 2011–present | Steven Tyler, Jennifer Lopez, Randy Jackson |
| Seasons | Years | Hosts |
| 1 | 2002 | Brian Dunkleman, Ryan Seacrest |
| 2–11 | 2003–2012 | Ryan Seacrest |
