Kelly Clarkson is the Number One money-maker of all former American Idol contestants.

Forbes list of the reality show's top-earning alums shows her income at $8 million from May 2011 to May 2012.

Rounding out the Top Five are Carrie Underwood and Chris Daughtry ($5 million), Scotty McCreery ($4 million), Jennifer Hudson ($3 million) and Jordin Sparks ($2 million).