Photos|Video: The Duchess of Cambridge visits Downton Abbey set!
Catherine ( Kate Middleton ), the Duchess of Cambridge made an official visit (her last official engagement before her maternity leave) to the set of Downton Abbey ( Penelope Wilton co-star as Isobel Crawley , she was there on the set and was seated next to the Duchess , who's seated in the middle in the front in the above press photo ^ with DA's award winning writer/creator Julian Fellows ) at Ealing Studios today, March 12, 2015 in London, England. The Duchess met the cast (sans Maggie Smith , Allen Leech , and Lily James ) and crew of Downton and looked to have enjoyed herself. Downton Abbey is currently filming Season 6 . Watch the AP video of the Duchess of Cambridge with the cast and crew of DA and see on set photos below...