"She was at home with her family who have asked for privacy at this hard time", the statement said. Succeeding Julie Stevens and Honor Blackman as Steed's sidekick, Emma Peel became an instant sex symbol in the 60's. The two are captured during takes of "On Her Majesty's Secret Service" at Schilthorn near Muerren, Switzerland, January 10, 1969.
Moving back to the United Kingdom, she started her acting career as a spear-carrier at the Royal Shakespeare Company.But it was her role as Emma Peel in smash '60s series The Avengers that turned Rigg into a household name. But it was her performance as Lady Olenna Tyrell on Game of Thrones that endeared her to a new generation of viewers.
Rigg is survived by a daughter she had with her ex-husband, theatre producer Archibald Stirling, actress Rachael Stirling.
© ASSOCIATED PRESS This image released by HBO shows Diana Rigg as Olenna Tyrell in a scene from "Game of Thrones". "I will miss her beyond words".
Sean Connery's replacement as James Bond, George Lazenby, is pictured with British actress Diana Rigg. Oscar victor Viola Davis also offered a short and honest statement: "RIP Diana Rigg".
The official "Game of Thrones" Twitter account said: "Be a dragon".
Born on July 20, 1938 in Doncaster, northern England, Rigg spent the first eight years of her life in the Indian city of Jodhpur where her father worked as a railway engineer.
As a young actress, she played Shakespearean roles opposite the great stage and film actors of the day, including Laurence Olivier, and later Anthony Hopkins.
She won a Bafta in 1990 for her role in Mother Love.
Her on-screen credits were many and varied.
In 1997, she won an Emmy Award for her portrayal of Mrs. Danvers on the TV adaptation of Rebecca, and was also nominated for lead actress in a special program in 1975 for her work on In This House of Brede, along with supporting actress in a miniseries for Victoria & Albert in 2002. "Her dazzling wit and that inimitable voice made her an unforgettable leading figure in British theatre".
It's a testament to her talent and spirit that people from all over the entertainment industry have lined up to pay their respects to the late, great Diana Rigg.