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Mother's Day is Sunday, May 13.
(Undated) -- When it comes to raising children, Keith Urban says he doesn't know anything about it.
He tells "Nash Country Daily" his wife of 12 years, Nicole Kidman, is the best mom, and their girls are lucky to have her.
Keith praised Nicole for her patience and attention, saying the way she parents is "beautiful to see."
Urban and Kidman have two daughters, nine-year-old Sunday Rose and seven-year-old Faith Margaret.