Copyright: HRH The Duchess of Cambridge 2018. NEWS EDITORIAL USE ONLY. NO COMMERCIAL USE. NO MERCHANDISING, ADVERTISING, SOUVENIRS, MEMORABILIA or COLOURABLY SIMILAR. NOT FOR USE AFTER 31 DECEMBER, 2019 WITHOUT PRIOR PERMISSION FROM KENSINGTON PALACE. This photograph is provided to you strictly on condition that you will make no charge for the supply, release or publication of it and that these conditions and restrictions will apply (and that you will pass these on) to any organisation to whom you supply it. There shall be no commercial use whatsoever of the photographs (including by way of example only) any use in merchandising, advertising or any other non-news editorial use. The photographs must not be digitally enhanced, manipulated or modified in any manner or form and must include all of the individuals in the photograph when published. All other requests for use should be directed to the Press Office at Kensington Palace in writing. MANDATORY CREDIT: The Duchess of Cambridge Undated handout photo of Prince Louis taken by his mother, the Duchess of Cambridge, at their home in Norfolk earlier this month, to mark his first birthday on Tuesday.