Season two of “American Idol” had a bevy of celebrity guests, including Gladys Knight, Lionel Richie and Olivia Newton-John. Contestant Ruben Studdard played it cool each week — until Oprah showed up.

Timeless songs. Big personalities. Show-stopping performances. Those were some of the elements that made “American Idol” must-see TV in its heyday 20 years ago. You really had to be there to truly ...

Remember when we associated the initials "AI" with amazing live performances and heart-tugging emotions, and not something so artificial and robotic? Simpler times those were, when "American Idol" ...

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. Twenty years after competing together on Season 2 of “American Idol,” Ruben Studdard and Clay Aiken are together again. “Twenty: ...