This just in from Disney: the current expected lineup for the events at American Idol Experience at Disney's Hollywood Studios on Thursdays, Feb. 12. Subject to change, you know.
Alphabetically (and with their claim to AI fame)
Paula Abdul, judge
David Archuleta, season 7 runner-up
Fantasia Barrino, season 3 winner
Bo Bice, season 4 runner-up
Jason Castro, season 7 finalist
David Cook, season 7 winner
Kristy Lee Cook, season 7 finalist
Bucky Covington, season 5 finalist
Diana DeGarmo, seaons 3 runner-up
Melinda Doolittle, season 6 finalist
Simon Fuller, creator/executive producer
Josh Gracin, season 2 finalist
Justin Guarini, season 1 runner-up
Taylor Hicks, season 5 winner
Michael Johns, season 7 finalist
LaKisha Jones, season 6 finalist
Kimberley Locke, season 2 finalist
Sanjaya Malakar, season 6 finalist
Mandisa, season 5 finalist
Syesha Mercado, season 7 finalist
Ryan Seacrest, host
Chris Sligh, season 6 finalist
Carly Smithson, season 7 finalist
Jordin Sparks, season 6 winner
Phil Stacey, season 6 finalist
Ruben Studdard, season 2 winner
Carrie Underwood, season 4 winner
Brooke White, season 7 finalist
Ace Young, season 5 finalist
To recap: at least one representative from each season, and six of the seven winners. Missing: Kelly Clarkson, the first American Idol winner.