It's finally official. Keith Urban will join the judge's table when the 12th season of 'American Idol' begins in January. This makes the singer the first full-time country judge (Shania Twain filled in early during the 2010 season) and ends rumors of everyone from Toby Keith to Carrie Underwood joining the panel. Who is your all-time favorite 'American Idol' judge?

All three originals -- Paula Abdul, Simon Cowell and Randy Jackson -- are included in today's readers poll, as are Steven Tyler and Jennifer Lopez -- two that made Urban's new gig possible. We've also included fan-favorite Ellen Degeneres, who provided laughs even though she only lasted one season. If you liked another former 'Idol' judge better, tell us who and why in the comments section below.

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