Yes, you read that right, it’s been more than 20 years since Justin Guarini was a contestant on Season 1 of American Idol.

Nearly a quarter century after Kelly Clarkson's landmark 'American Idol' win, she still hasn't told us everything.

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.

"American Idol" winners like Kelly Clarkson and Carrie Underwood have gone on to incredible careers. But runners-up like Justin Guarini, Adam Lambert, and Katharine McPhee have also had huge success.

"American Idol" winners like Kelly Clarkson and Carrie Underwood have gone on to incredible careers. But runners-up like Justin Guarini, Adam Lambert, and Katharine McPhee have also had huge success.