The fun loving Osbourne family

Ozzy and Sharon Osbourne are auctioning a cast-iron crucifix and son Jack's leather bed.The controversial pair - who starred in MTV reality show 'The Osbournes' -will be auctioning over 500 pieces of art, furniture and other collectibles from their houses in Malibu, Beverly Hills and Buckinghamshire on November 30. Sharon, who turns 55 tomorrow, said: "It's time for us to unload.We've got this overabundance of possessions that we don't need."Ozzy isn't looking forward to the auction though, adding: "I don't know why we are selling this stuff, because I want it all!"'X Factor' judge Sharon - who was diagnosed with colon cancer in July 2002 but overcame it after a long and gruelling battle - is donating part of the proceeds to the Sharon Osbourne Colon Cancer Foundation.The auction is being organised by Julien's Auctions, and will be held in Beverly Hills' Gibson Guitar Showroom on November 30 and December 1. Bids can be placed over the phone, on the Internet or in person. Key pieces from the auction will be exhibited at London's O2 arena on November 5.