Pakistan, Sept. 7 -- Kelly Osbourne has revealed that she did not notice her dramatic weight loss until she wore a wig to this year's Grammy Awards to conceal her thin appearance.

The TV personality made a candid confession, saying she had no had 'no idea' how thin she had become following the death of her rock-star father, Ozzy, until she saw a photograph taken during a dress fitting for the awards.

'I looked like the f****** Crypt Keeper,' she told The Mail on Sunday. 'I said, 'This is scary. I didn't know I looked like this'. My spine - you could see every single bone.'

The admission comes after months of concern about her frail appearance. Friends and family repeatedly raised the alarm, but the 41-year-old told the MoS she was over...