She died at home with her family in Upshire, Essex, in the early hours of Sunday after a high-profile battle with cervical cancer.
Her mother Jackiey Budden, who was at her side as she died, said: "My beautiful daughter is at peace."
Prime Minister Gordon Brown said he was "deeply saddened" by the news and described Goody as "a courageous woman both in life and death".
"The whole country has admired her determination to provide a bright future for her children.
"She will be remembered fondly by all who knew her and her family can be extremely proud of the work she has done to raise awareness of cervical cancer, which will benefit thousands of women across the UK."
