Rihanna & Kelly Clarkson: 'American Idol' Performers!

Rihanna and Kelly Clarkson make an appearance on American Idol on Thursday (April 14).

Rihanna performed her song “California King Bed,” which she sang at the ACM Awards last week with Sugarland’s Jennifer Nettles.

Kelly performed her duet with Jason Aldean, “Don’t You Wanna Stay.”

While on the show, Rihanna revealed that fans can be a part of her upcoming tour by sitting in a section ON the stage!

Rihanna Performs on American Idol

Kelly Clarkson & Jason Aldean Perform on American Idol