Nicole Kidman is facing what friends describe as her "darkest hour" amid her split from Keith Urban – with sources telling RadarOnline.com she is "terrified the break-up is sending her daughter off the rails."

Sunday Rose, 17 , has made a sudden leap into New York 's wild social scene as her parents work through their break-up.

The teen, who until recently enjoyed a quiet upbringing in Nashville and Australia, has been spotted on a string of late-night outings with new pal Romy Mars, the 18-year-old "ultimate nepo baby" and daughter of Sofia Coppola and Thomas Mars. Article continues below advertisement

Deeply Worried About Sunday Rose Tap Here To Add Radar Online as A Trusted Source Article continues below advertisement Article continues below advertisement

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