X Factor judge Dannii Minogue broke down in tears as she talked about her first marriage and her pop queen sister's fight with cancer.
The Aussie singer cried in an emotional interview with Piers Morgan which will be screened on ITV 1 on Sunday night.
She spoke candidly about starting a family with boyfriend, rugby hunk Kris Smith, and revealed her heartbreak when her marriage to US actor Julian McMahon broke down several years ago.
The 38-year-old began crying when she spoke of her marriage to the Nip/Tuck star in 1994 and said many of her friends had forecast it wouldn't last.
“He was a wild guy, he liked having fun, being a bit crazy and goofy and we enjoyed each other's friends. And, for me, I thought that's all you want out of a relationship,” she said.
“I really wish I could see what some of those other people saw, that ‘this isn't going to work'. I so wish I had a magic ball.”
The star did a nude Playboy shoot following the split and said she didn't regret a moment of it.
She owed more than £150,000 and was too proud to turn to Kylie for help.
“My parents didn't want me to do it. My dad was saying ‘doing this is forever — you can never, ever change it,’” she said.
“Kylie knew why I was doing it. I could have asked her for the money, but it wasn't in my nature.
“I never wanted to admit the trouble I was in. I should have been looking at my finances.”
She said she had no regrets about posing naked — but would not say how much she was paid.
Dannii begins to cry as she recalls sister Kylie's breast cancer battle in 2005, and the moment she arrived back at the family home in Australia after being told of her pop star sister's plight.
She said: “All I wanted to do was get inside the door of the family home and see my gorgeous sister and hug her and it was like trying to get through all of these barriers.
“It took a long while to understand all of that was there because everybody loves Kylie and they just wanted to know ‘is she OK?’ But as a family member it made everything more difficult.”