United Kingdom, Feb. 17 -- Dannii Minogue believes "there was a chance" she could have lost her sister Kylie following her breast cancer diagnosis.

The 'Spinning Around' hitmaker was struck down with the disease back in 2005 and she underwent treatment before being given the all-clear the following year, but her sister Dannii has now opened up about the terrifying time when the family feared the worst and revealed she was also mourning the death of a close friend.

She told Stellar magazine: "I remember when Kylie was really sick and there was the chance that we were going to lose her.

"As she recovered and the world was celebrating, we were all celebrating. I had lost my best friend to cancer and I was grieving. Celebrating and grievin...