He also took to Facebook to share a sweet video, writing, "Tonight is my wife's and my 10 year anniversary!!! So I'm gonna tell you a quick story about how this happened..."
Even though the two were miles apart on their special day, Urban didn't let distance stop them from seeing each other. During his concert in Mansfield, Massachusetts, Urban took out his phone and FaceTimed Kidman, who was at their home in Australia.
"It was literally, like, 'Okay, life starts,'" he explained. Aww!
But as we all know, a successful relationship takes a lot of hard work. Kidman recently opened up to ET about how her relationship with the country crooner has stood the test of time. Find out the secret to their happy marriage in the video below.