The 80-year-old actress and seven-time Oscar nominee lost her partner of 30 years in 2001 to lung cancer.
The popular Bond star, who has been in a relationship with conservationist David Mills for four years, revealed that she never expected to find that special someone again.
"I wasn't even prepared to be ready for it," she told The Times.
"It was very, very gradual and grown up. We got together, in a way, through the animals. It's just wonderful," she added.
"He is so lovely, with a great sense of humour."