Britain's Duchess of Cambridge smiles as she meets members of the cast on the set of British television series Downton Abbey at Ealing Studios in west London on March 12, 2015. JUSTIN TALLIS/AFP/Getty Images
Catherine receives flowers from young actor Zac Barker.JUSTIN TALLIS/AFP/Getty Images
The Duchess meets British screenwriter Julian Fellowes -- the creator of the hit television series. JUSTIN TALLIS/AFP/Getty Images
Catherine is shown the Downton Abbey servant's bells by actor Brendan Coyle (John Bates).Chris Jackson/Getty Images
Catherine poses with the cast, crew and producers of the show.Chris Jackson - WPA Pool/Getty Images
Catherine walks out of a make-up trailer.JUSTIN TALLIS/AFP/Getty Images