• DUCHESS CATHERINE  photo | Kate Middleton

Credit: James Whatling/Splash News Online

Published: Saturday September 14, 2013 06:00 AM EDT



Good luck concentrating on anything else for the rest of the day. You'll be too busy staring, slack-jawed, at this photo of the royal mum looking like a complete knockout in a sequin Jenny Packham gown at the Tusk Conservation Awards in London.