The Duchess of Cambridge, Kate Middleton, attended the Portrait Gala 2014 at London's National Portrait Gallery tonight, in her official role as patron. Wearing a Jenny Packham gown and a diamond necklace on loan from the queen, the brunette beauty looked every inch the princess. Those attending the event included legendary photographer David Bailey, Olympic Gold medallist Katherine Grainger and actor Alan Rickman. Kate opted for a stunning Jenny Packham gown According to the Daily Mail, the Duchess gave a short speech at tonight’s event where she spoke of how proud she was to hold the important role of patron. ‘I just wanted to say how delighted I am to be here this evening to celebrate the fantastic work of The National Portrait Gallery. 'The Gallery's achievements are exceptional. They hold the most extensive collection of portraits in the world, and their unique and brilliant exhibitions never fail to inspire us all. 'But, it is more than simply a world renowned visitor's attraction - the Gallery's outreach and research programmes makes it one of the leading centres for the important study into Portraiture. 'I simply could not be more proud to be its Patron.' The Duchess looked tanned after her recent holiday The 32-year-old has just returned from a holiday in the Caribbean island of Mustique, with her family and baby son, Prince George.