"American Idol" champ Ruben Studdard has filed for divorce, TMZ has learned.
The Velvet Teddy Bear (who won Season 2 back in 2003) filed the papers in Alabama ... citing -- what else -- "irreconcilable differences."
Ruben and his wife Surata Zuri McCants tied the knot in 2008. They have no kids.
A rep for Studdard tells us, “Ruben and Zuri have gone their separate ways.”
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