Reality TV star Kelly Osbourne has turned down the opportunity to pose nude in Hugh Hefner's Playboy magazine.

The rock offspring of Ozzy Osbourne was tipped to strip off for the men's mag by Hefner's twin girlfriends Karissa and Crystal Shannon, who are big fans of the former wild-child. Crystal said last week, "She's losing weight and she's blonde now. She looks good. I want to see what she looks like naked."

Hefner appeared to suggest he had approached Osbourne with an offer, telling Eonline.com, "Kelly would be happy to pose."

However, a representative for Osbourne, who is currently competing on TV's Dancing With The Stars, insists, "Hef didn't ask (her)."

Osbourne has since politely declined the chance to show off her curves - her spokesperson tells GossipCop.com that the pop star "said 'No, thank you.'"

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(This news article provided by World Entertainment News Network)