George Lazenby has spoken of his sadness following the death of his James Bond co-star Dame Diana Rigg at the age of 82.The veteran performer was best known for roles in The Avengers, Game Of Thrones and On Her Majesty’s Secret Service, where she played Countess Teresa “Tracy” Bond, the wife of 007.Dame Diana died peacefully at home after being diagnosed with cancer in March this year, her daughter confirmed.Lazenby, 81, said on Instagram: “I’m so sad to hear of the death of Diana Rigg.“She