MODEL Paula Hamilton has been read the riot act after making a Nazi jibe about  Celebrity Big Brother.

She was hauled into the Diary Room and given a dressing-down in the  early hours yesterday.

Reformed drug addict Paula, 51, got into hot water by saying the CBB basement was like World War Two Nazi Germany’s Auschwitz concentration camp.

But she was not the only housemate to get a warning over offensive comments.

American reality telly babe Heidi  Montag, 26, was also reprimanded following a racist comment about former Coronation Street star Sam Robertson, 27.

She told him he “looked like a Rasta and not to look so dirty”. Both women were given a stern talking-to by bosses who told them their remarks were  “unacceptable” and “potentially offensive”.

A show insider said: “They were both reminded how things they say could be potentially offensive to others in the house or those watching at home.

“People often forget the cameras are on them recording everything they say, so it was a gentle  reminder to behave.

“Paula was OK about it but Heidi got a little bit upset. I don’t think she’s used to getting told off.”

Sheepish Paula later admitted to X Factor star Rylan Clark, 24, that she had been given the first telling-off of the series.

The pair were smoking in the garden when she told him: “I said a word and I was told off for it. But I called my school that!”

Rylan asked: “What? A sh*thole?”

Shaking her head, Paula told him: “No, Auschwitz.”

A volunteer at the Holocaust Survivors’ Centre in Hendon, north London, told the Daily Star: “It’s an outrageous thing to say. It’s a terrible insult to people who went through so much suffering. It’s  disgusting.”

And Rabbi Laura Janner-Klausner said: “Comments like this can only trivialise the horrors of the Holocaust.”