Kelly Osbourne's mother has warned 'Dancing With The Stars' judges to go easy on her daughter.

Sharon Osbourne - who is a judge on 'America's Got Talent' and previously sat on the panel on 'The X Factor' - is anxious about the presenter showing off her skills on the American reality show because she is so inexperienced, which she says panellists Len Goodman, Bruno Tonioli and Carrie Ann Inaba should consider when scoring the star.

She said: "You have to take into consideration that she has never danced in her life. She's never had a dance lesson and she hasn't had a lot of time to prepare for the show."

WhetheR Kelly wins or loses, Sharon is just impressed by the 'Papa Don't Preach' star's new figure from the intensive training she has undergone for the show.

She added: "She is in fantastic shape. She called me last night saying, 'Mum, my back hurts.' She's working so hard."