'American Idol' season 2 winner and runner-up Ruben Studdard and Clay Aiken will appear during the season 21 finale of the show.

Ruben Studdard and Clay Aiken reunited on the Season 21 finale of “American Idol,” celebrating the 20th anniversary of their own finale episode in 2003.

Twenty years after Ruben Studdard and Clay Aiken faced off on “American Idol,” the two reunite for season 21 finale and 20th anniversary tour.

BURBANK, CA - MAY 20: American Idol finalists Clay Aiken (L) and Ruben Studdard wait for the winners announcement during the show's grand finale on May 21, 2003 at the Universal Amphitheatre in ...

Clay Aiken has achieved big things since coming in second during "Season 2" of American Idol." Years before Simon Cowell left "Idol," Aiken was bested by soul singer Ruben Studdard.

Clay Aiken Thinks 'American Idol' Judges Are Too Soft Now: 'I Appreciate the Criticism' Trump Signals Major Shift on Undocumented Farm Workers What to Do with Pennies: Smart Uses for the Coins ...

Clay Aiken and Ruben Studdard may have been going head-to-head on American Idol, but when they walked off that stage, they emerged friends for life.

I'm sure you know Clay Aiken from "American Idol." In 2003, Clay finished second place on the second season of the singing competition series and went multi-platinum with his debut album Steve ...

Who's guest performing during the 'American Idol' 2023 finale? Here's every performer hitting the stage aside from the top 3.

Both Aiken and Clarkson have returned to their Idol roots over the years, with Aiken performing a duet with his season 2 co-finalist Ruben Studdard on 2023's season 21 finale, and Clarkson making ...

Clay Aiken recently looked back on the challenges he faced when he came out in 2008, and how far society has come since then. The "American Idol" alum first revealed his sexuality as a gay man on ...