Keith Urban jokes on stage amid divorce from Nicole Kidman

Keith Urban used humor at a Nashville concert this month as he performed amid the public end of his 19-year marriage to Nicole Kidman. At his Oct. 17 High and Alive Tour stop at Bridgestone Arena, the country star paused to chat with a fan, joked about her name when she identified herself as Nicole, then helped her announce a pregnancy onstage, drawing laughter and applause from the crowd.

The exchange came three weeks after Kidman filed for divorce from Urban on Sept. 30, citing irreconcilable differences in court papers that listed the date of separation as the day of filing. The pair were married in 2006 and share two daughters, Sunday Rose, 17, and Faith Margaret, 14. The filing also requests that Kidman be designated the primary residential parent of the children.

Footage of the Nashville interaction shows Urban holding his microphone toward the audience, then dropping theatrically to the stage floor and delivering a playful line before joining the fan in the front rows as she held up a small onesie reading Smallest Keith Urban Fan. A clip of the moment circulated online. At the same concert Urban also addressed speculation tied to recent lyric changes in his performances,...