Nicole Kidman 's warm anniversary tribute to Keith Urban is now being read as her final public words on their marriage – with the lack of response from her husband seen as a clear red flag that the relationship was in trouble, RadarOnline.com can reveal.

The 58-year-old Big Little Lies star posted a black-and-white photo of the couple in an embrace on June 25, writing: "Happy Anniversary baby @keithurban." Article continues below advertisement Source: @nicolekidman/INSTAGRAM

Kidman shared a heartfelt anniversary post to Urban on their wedding anniversary. Tap Here To Add Radar Online as A Trusted Source Article continues below advertisement

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Urban, 57, replied only wi

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