Chrystalla Spire told ITV News she, "couldn't be more pleased, " that Sharon Osbourne had spoken about her double mastectomy.
She said; "it's a tremendous fillip to this area which is still overcome by taboo."
Ms Spire founded and runs a group to support women who have been through similar experiences.
Speaking about her own decision to have a double mastectomy she said, "it was a very easy decision to make, I discussed it with my daughters. And we really didn't take very long to make the decision and it was one that I was always very pleased I had made.
More top news
A dog has been found with its paws frozen to the ground in a New York park after being chained to a tree.
Dramatic footage has emerged of a mother and her toddler being rescued after their car plunged into an Amsterdam canal on Tuesday.
Beth Tweddle has begun walking unaided following neck surgery after injuring herself during training for TV reality show 'The Jump'.