As you know, the Kidmans have had a rough go of it as the actress' dad Antony Kidman AND her sister's ex-husband Angus Hawley have both passed away within the past couple years after individual heart attacks. So sad.
Now, we're hearing the 76-year-old mom was admitted to a North Shore hospital on Thursday afternoon for issues believed to be related to the heart.
Fortunately, the matriarch has since been released to the care of her daughter, Antonia.
The insider told the Confidential: