Keith Urban and Nicole Kidman 's relationship has crumbled after nearly 20 years of marriage.

RadarOnline.com can reveal the estranged couple's relationship timeline... and when it all went wrong. Article continues below advertisement

January 2005: Keith Urban and Nicole Kidman Meet for the First Time

Keith Urban and Nicole Kidman first crossed paths at the G'Day USA Gala, an event honoring Australians in Los Angeles, in 2005. Although they exchanged numbers, the Somebody Like You " singer reportedly did not contact her until four months later.

"I had such a crush on him, and he wasn't interested in me. It's true!" Kidman said of Urban in a 2017 interview with Ellen DeGeneres .

The Far and Away actress later revealed she realized Urban "was the one" when they were livin

See Full Page