Very sad news today. Although she didn't appear in Doctor Who until the Matt Smith era, and no, I still have not seen that episode, I enjoyed everything that Dame Diana Rigg appeared in. I only watched The Great Muppet Caper because she was in it!
https://www.bbc.com/news/entertainment-arts-27986272?fbclid=IwAR11CfNhve8CLBO4qj-Cz2qoOt0vuGRLZ2D2iF9fhN6SnQzCNSYWNiyIJgE
