The unconventional fifteenth season of America's Got Talent took yet another turn right before the live broadcasts began when longtime judge Simon Cowell broke his back and required surgery.

Kelly Clarkson has known Simon Cowell since way back in 2002, when she won the very first season of American Idol, on which Simon Cowell was the famously hard-to-please judge of the panel.

This isn't the first time that America's Got Talent has featured a substitute judge recently, as Sofia Vergara's former Modern Family co-star stepped in for Heidi Klum earlier in Season 15.

If America's Got Talent says goodbye to one of its four current judges at the end of Season 15, then I am on board for Kelly Clarkson to return!

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