'American Idol' judges through the years
A look back on the celebrity panel.
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Mariah Carey( Michael Buckner / Getty Images For BET / May 9, 2013 )
Years on the show: Mariah Carey's "Idol" career has only just begun.
While Carey was initially excited to land a seat at the judges' table, "Idol" fans have criticized her bland presence and on-screen spats with Minaj.