Nicole Kidman 's marriage to Keith Urban has collapsed after 19 years, with sources in Nashville telling RadarOnline.com it was her drive to feel sexually desired both on and off screen was the main factor behind the break-up.

Kidman, 58, filed for divorce from Urban, 57, ending a relationship once regarded as one of Australia's most enduring celebrity unions. Article continues below advertisement

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While the couple had previously overcome addiction struggles and punishing schedules, friends now say her growing appetite for risk-taking roles and public displays of sexuality created tensions at home.

A source clo

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