"I believe they are friendly and she is obviously someone who could offer her support, " said Mr Riddiford.

BBC: NEWS | UK | Wales | South East Wales | Family shock at Kylie's illness

Mr Riddiford said that as well as family support, Kylie would be getting support from her many show business friends including Olivia Newton-John, who was diagnosed with breast cancer more than a decade ago.

BBC: NEWS | UK | Wales | South East Wales | Family shock at Kylie's illness

Rather than creating a new type of solar-powered light, which seems to be where most alternative energy people spend their time, Martin Riddiford and Jim Reeves, London based designers spent the last four years developing GravityLight as an off-line project.

FORBES: A $5 Lamp Can Change The World - GravityLight