Sarah, Duchess Of York And Princess Beatrice Open A Ground Breaking Specialist Teenage Cancer Trust Unit At The Royal Marsden Hospital In Sutton, London. (Photo by Mark Cuthbert/UK Press via Getty Images)
HANOVER, GERMANY - JANUARY 18: Princess Eugenie (C) and Princess Beatrice pose for a photo with patient Malte Wassmann (L), aged 12, during a visit to the Teenage Cancer Treatment Unit at the University of Medicine on January 18, 2013 in Hanover, Germany. The royal sisters are in Hanover on the second day of a two day visit to Germany. Yesterday the royals were in Berlin helping support GREAT, the British Government's initiative promoting the UK abroad. (Photo by Chris Radburn - Pool/Getty Images)
NEWCASTLE UPON TYNE, UNITED KINGDOM - MAY 19: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) HRH Princess Eugenie of York, HRH Princess Beatrice of York, Joe McElderry and Sarah Ferguson, The Duchess of York attend the opening of the Teenage Cancer Trust Unit at the Great North Children's Hospital on May 19, 2010 in Newcastle upon Tyne, England. (Photo by Indigo/Getty Images)
Princess Beatrice Attending The Teenage Cancer Trust Concert At The Royal Albert Hall. The Princess Attended On Behalf Of Her Mother The Duchess Of York Who Is Patron Of The Teenage Cancer Trust. (Photo by Mark Cuthbert/UK Press via Getty Images)
