American Idol has been a staple of TV for over two decades. There have been highs and lows, but these are the 10 best seasons, so far.

Other than Carrie Underwood and Kelly Clarkson, these three 'American Idol' winners have had several songs grace the Billboard charts.

"American Idol" returns for its 23rd season ... top 10 — at the time, this was unheard of for "American Idol" contestants. His highest-charting album was 2009's "Kris Allen," which peaked at No. 11.

Ahead of the 23rd season of "American Idol," it's time to look back on previous winners and see how many actually became American idols.