Peaches Geldof, 24, has has more than 160,000 followers on Twitter and has previously written columns for the Daily Telegraph and Elle Girl and articles for the Guardian.
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Two private citizens have already paid a "significant deposit" to take the week-long trip.
Slippy start tomorrow with frost & ice
The court will determine how much the UK government and travel firms knew about the risk of an attack on tourists holidaying in the area.