KAY Burley has revealed her sister is battling cancer in a heartbreaking post.
The Sky News presenter, 63, took to social media to share the news with her fan base.
Kay posted a sweet snap with her 'baby sister' Jacqueline to her 49,000 followers.
Alongside it, she revealed: "Jacqueline, who has been stoic in her determination to take on a disease that claimed both my mother and grandmother."
Kay added: "Doesn't she look fabulous in her wig?"
The Sky News Breakfast star posted the touching tribute following the news that the Princess of Wales is battling cancer.
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Kay previously spoke about her mother's battle cancer and tragic death when her son Alexander was just eight months old.
Speaking on Good Morning Britain in 2018, Kay revealed: "My mum died when she was my age.
"My little boy was eight months old. It still makes me sad actually just to think about it.
"I remember her saying to me at the time..."
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The mum-of-one continued: "I remember her saying, 'I'm going to die' and I said, 'I can't live without you mum', but she said I would have to and told me to look after my daddy.
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"My grandmother had died when my mum was 18 and my aunt died shortly after my mother."
The 57-year-old has said she has had many breast cancer scares throughout her life - with an 80 per cent risk of suffering from the disease.
She now has a mammogram and an ultrasound every six months so that she has the best chance of beating it.