Nicole Kidman fears dying suddenly after unexpectedly losing several loved ones

Nicole Kidman says she can't help but fear sudden deaths of her friends and loved ones.

The Hollywood actress, 53, detailed the horrific moments in her life when people close to her were "taken" away from her, and says each experience has affected her deeply.

Speaking to Sydney Morning Herald, the Aussie native said: "I've been given death as a very sudden thing. I've not nursed someone through a slow death, I've just had people taken.

"I've now had it happen repeatedly, I almost get scared saying it because I get terrified it's going to happen again. I still have a lot of fear of that."

Nicole suffered great heartbreak after wrapping filming for her 1999 film Eyes Wide Shut, when director Stanley Kubrick died of a sudden heart attack.

After coming to terms with the harsh reality of life, Nicole was forced to be reminded again of what it feels like to lose someone just six years later.

Nicole's friend Robert McCann passed away in 2005, forcing her to cope with another tragic situation.

It was in 2014 when her world crumbled as her beloved dad Dr Anthony Kidman died unexpectedly of a sudden heart attack.

Nicole has bravely spoken out about the devastating ordeal on The Ellen Show, recalling how her husband Keith Urban was forced to physically carry her around as she frequently collapsed to her knees in tears.

In 2015, Nicole's brother-in-law Angus Hawley suddenly died while away on a business trip - leaving the actress feeling hopeless in happy endings.

Nicole has since turned to professional help to help her "deal" with her fears, and says if one thing's for sure, each death she's dealt with left her feeling "unbelievably uncertain".

She added: "It's made me unbelievably [uncertain] in the world where I go … there's an instability to the ground and to what's here.

"Everything can be taken tomorrow. So that's what I operate from."

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Nicole KidmanKeith Urban