The former stewardess herself is crippled by Fibromyalgia, but has opted to put up a brave front by posing nude for the charity.
She was struck down with the debilitating condition at the age of 32.
And to get people to know about the illness - which causes a burning sensation throughout the body - Bianca decided to get naked for a calendar.
"I've modelled since I was 14 and I've managed to do the odd day here and there over the last couple of years. So I had the contacts and wanted to do something that would make an impact and raise awareness of Fibromyalgia," The Sun quoted her, as saying.
She added: "Even though I am used to having my picture taken, it was daunting. At the end of the day I am disabled now. It's not a visual disability because if you looked at me, apart from my cane, you wouldn't notice anything. So it was very scary doing it but it was also fun."
Her campaign received a warm welcome from a spokesman for the Fibromyalgia Association.
She said: "Bianca has been determined to reach a wider audience to raise awareness of fibromyalgia and her calendar is certainly going places we have not reached before.
"We applaud her tenacity in producing the calendar and we are sure this is going to be a successful venture. Fibromyalgia is affecting an estimated two per cent of people in the UK and as yet there are no official guidelines for treatment.
Bianca added: "I just hope we can sell a lot of calendars and raise more awareness. Then this will all have been worthwhile."