Dolly Parton refuses to judge 'American Idol' or 'The Voice' for this reason

While many celebrities may jump at the chance to sit in a "The Voice" spinning chair or hand out an "American Idol" golden ticket, fans will not find country music legend Dolly Parton doing either. 

The "9 to 5" crooner revealed why she has turned down offers to sit on the judging panel for the popular singing competition shows. 

"I've been asked to do that a lot of times," Parton told E! News. "It's too hard for me. That's why I don't accept it, because I know how sincere everybody is.