Here's mine:

Season 1 - Kelly Clarkson
Season 2 - Kimberley Locke
Season 3 - Diana DeGarmo
Season 4 - Carrie Underwood
Season 5 - Katharine McPhee
Season 6 - Melinda Doolittle

How about you?

Season 1: Kelly
Season 2: Kimberley
Season 3: Camile
Season 4: Mikalah
Season 5: Kellie
Season 6: Jordin

Season 1 - Kelly (didnt watch, but from what ive seen, the rest sucked except for Tamyra)
Season 2- didnt watch
Season 3 - Diana
Season 4 - Carrie
Season 5 - Kellie
Season 6 - Jordin

Season 1 - Kelly
Season 2 - Kim Locke
Season 3 - Jasmine, Jennifer
Season 4 - Carrie, Vonzell
Season 5 - Katharine
Season 6 - Gina, Melinda, Jordin