Fox announced Rowland and Rubio will be joining Cowell and Lovato earlier this week.
"It's taken more than a decade, but I'm delighted to finally be on a panel with three girls (I think!). Paulina and Kelly both have great taste and massive experience in the music industry and together with Demi, this is going to be a fun panel. It just feels like the time to do something different," Cowell said in a statement.
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