Ivana Trump has been duped into thinking she has won a fake award on 'Celebrity Big Brother'.

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The Press Association reports that the former wife of businessman Donald Trump was called to the Diary Room this morning and told by Big Brother that she has been nominated for the Best International Businesswoman On A Reality TV show award by the readers of Scandinavian magazine Kugel Fresh.

Big Brother then requested that she prepare an acceptance speech to give via satellite in English, German and Czech.

The other celebrity housemates were told that the ceremony is fake, but they must convince Trump it is genuine in order to pass their task and win an awards party.

Once Trump has made her speech, the housemates also have the task of telling her the award looks stupid, attempting to drink from it, and breaking the trophy, all without her suspecting anything.

Former Olympic skiing champion Trump, 60, has asked the other housemates to help her with her speech.

The Czech celebrity will give the speech from the Diary Room and the other housemates will watch on a screen in the living room.