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It's also been revealed that the Channel 5 reality TV show will have an opening night twist, which will see the celebrity contestants split into a rich/poor divide.
A Big Brother rep told Digital Spy: "Its not going to be all champagne and air kisses as Celebrity Big Brother kicks off this year. Some of the housemates will have to face a very different kind of house - the basement. It will divide them and test them like never before."
To celebrate the show's return, we take a look back at the most memorable moments from the famous Elstree house - from MP George Galloway's skin-crawling cat imitation to Jackie Stallone's shock entrance and Brigitte Nielsen's horrified face.
Photo gallery - Celebrity Big Brother's most memorable moments:
Respect MP George Galloway was branded a "laughing stock" after he imitated a cat and pretended to lick cream from actress Rula Lenksa's hands during a task set by Celebrity Big Brother back in 2006.
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