<a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Catherine+-+Duquesa+de+Cambridge&family=editorial&specificpeople=542588 ng-click='$event.stopPropagation()'>Catherine</a>, Duchess of Cambridge, in her role as Patron of Action on Addiction, is greeted by Nick Barton (Chief Executive of Action on Addiction) as she arrives for a visit to Hope House, a residential treatment centre, on February 19, 2013 in London, England.