Alison Hammond is among the celebrities who have paid tribute to 41 year old Heather Bone from West Sussex.
It comes as Heather appeared on This Morning in June, after winning a competition.
Alison Hammond, a presenter on the show delivered the prize money.
One of Heather's sons, Lewis, has announced his mother's death on her Instagram page yesterday.
"After a long battle with cancer, mum went in the most peaceful and perfect way last night.
"Mum inspired so many people and will do for years to come, she always put others first and ALWAYS stayed positive which kept the whole family going.
"On behalf on mum she was so grateful of the support everyone gave us the past year as it kept her positive.
"After suffering for so long she deserves a rest. Sleep tight mum".
The son also shared a moving video on her Instagram account.