LONDON, UNITED KINGDOM - FEBRUARY 19: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Catherine, Duchess of Cambridge, in her role as Patron of Action on Addiction, is greeted by Nick Barton (C, 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. (Photo by Indigo/Getty Images)
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