Dating pop rock star
After Charles divorce Her allegations - which have not been denied by Adams - emerged after Diana's butler Paul Burrell claimed that the Princess had nine secret lovers, including a famous musician.
"I knew Diana had an affair with Bryan," said the Danish actress yesterday.
Earlier this year he said: "We met many times and had become very good friends by the end of her life." Adams has remained friendly with the Royal Family, and two years ago photographed the Queen for a collection of Canadian stamps.
He has also been involved in a number of events for the Prince's Trust.
It has been said that her favourite was heart surgeon Hasnat Khan.
Last night Adams said: "Miss Thomsen doesn't know anything about my friendship with Diana, nor does anyone else.
She claims that the affair took place in 1996 after Diana split from Prince Charles, and that it was one of the causes of her own break-up with the Canadian singer.
"But when I started to have my own opinions and my career took off, he wasn't happy with that at all.