ROD STEWART's 27-year-old daughter KIMBERLY is suffering from liver disease, caused by excessive alcohol consumption.

The 61-year-old rocker reveals doctors have told Kimberly her liver is badly deteriorated and she risks putting her life in danger if she doesn't stop drinking completely.

In an interview with Rolling Stone magazine, Stewart says, "She just discovered that she had a very serious liver illness from drinking too much.

"She said to me, 'Dad, I'm half Scottish - I thought I was allowed to drink a lot.'

"I said, 'No darling, it doesn't work like that.'"

Stewart claims Kimberly has seen a liver specialist and stopped drinking and smoking three months ago.

She isn't the first of Rod's children to have battled with booze - his 26-year-old son SEAN has undergone rehab for drink and drug problems.