Celebrity Parents Nicole Kidman and Keith Urban purchase books By Staff Author Published on May 12, 2008 01:18 PM Share Tweet Pin Email Trending Videos Musician Keith Urban and actress Nicole Kidman, both 40, shopped for books on Monday, May 12th, in Nashville, TN. The couple picked up Your Pregnancy Week-by-Week and Pocket Dad: Everyday Wisdom, Practical Tips, and Fatherly Advice. They expect their baby in late July; they know the sex but are keeping it private.