Miriam, star of controversial reality show There's Something About Miriam, is to enter the Big Brother house in Australia on Sunday as a special guest.

The stay will be part of an antipodean tour to coincide with the broadcast of the final episode of the Sky One show down under.

Interestingly, the Big Brother housemates will be clueless to Miriam's secret as they entered the house before the series began airing on the Ten network.

Tim Clucas, Network Ten’s head of development, said: “Sending Miriam into the House plays to the time honoured tradition of Big Brother, messing with the minds of the housemates. It will be fascinating to see who falls for Miriam’s charms and who thinks she’s too good to be true."