Clay Aiken disses 'American Idol:' 'I've watched root canals more entertaining' than judges

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Clay Aiken watched "American Idol" for the first time in a long time Wednesday night, and he doesn't like how the show's changed since he was on. He took to Twitter to maybe burn bridges and theorize about why Fox is ending the show this season:

The judges Aiken is not a fan of are Jennifer Lopez, Harry Connick Jr. and Keith Urban. In Aiken's era, the judges were Simon Cowell, Paula Abdul, and Randy Jackson. Cowell consistently stole the show with his acerbic barbs and honest criticism.

"American Idol" is bringing back lots of past Idols in its final season

He backtracked slightly, saying he loves the show and just wants it to be as good as it can be:

It'll be interesting to see if Aiken will be one of the Idols past who makes an appearance to stroll down memory lane in this final season. That would lead to some awkward elevator conversation.