Lionel Richie blames himself for daughter Nicole's weight loss.The 80s pop superstar singer says Nicole's weight plummeted during his highly publicised, expensive divorce to second wife Dianne Alexander.Lionel is so worried about his adoptive daughter, 24, that he confronted her about her weight problem.He told Britain's Sunday Mirror newspaper: "When I saw how thin she was I was concerned and worried. I would love to see her with more meat on her."The 'Hello' singer was relieved when Nicole finally admitted she had a weight problem in an interview with 'Vanity Fair' last week.Nicole, who weighs just over six stone and is a tiny size 4 said: "I know that I'm too thin. I'm not happy with the way I look. I have a problem."Lionel is pleased that Nicole is seeking help for her weight loss. He revealed: "I am glad Nicole has decided she needs to do something about it. She is daddy's little girl and of course I worry."

Meanwhile, Lionel will be headlining a 30th birthday party for Prince Charles' charity, the Prince's Trust, later this month.

McFly and Ozzy Osbourne are also performing at the concert which will be screened live on British TV.