"SW7, " the princess is said to have replied with a grin, referring to London's South Kensington neighborhood.

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Also convicted of conspiracy to defraud was Borge Andersen, 66, a Dane, from South Kensington who was jailed for 39 months.

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London's French-expat scene congregates in Frog Alley, otherwise known as South Kensington, which is home to the Ampersand, a hotel opened in August 2012.

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He created the work from a series of photographs taken during two sittings, at Kensington Palace in London and at his studio in South West England, in May and June last year.

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But the party's margin is expected to be much smaller in the revived Kensington, which retains poor areas of Notting Hill in the north but loses some of the rich south.

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