Kylie Minogue has quashed speculation she is set to wed lover Olivier Martinez.The pop babe - who was recently given the all-clear following a nine-month battle with breast cancer - has been at the centre of marriage rumours for months.Her boyfriend's mother, Rosemarie, even reportedly told a magazine her son would tie the knot with the star in her native Australia.But Kylie's publicist has now denied the wedding rumours, saying: "This is just not true."Meanwhile, Kylie is reportedly writing a diary to inspire fellow cancer sufferers.The diminutive star is thought to be penning a daily journal that she wants to publish to help others battling the disease.A source said: "Kylie knows she is in a position of influence and wants to use that positively by writing this diary. She believes that by sharing her experiences she can provide encouragement to those in a similar situation.

"She wants to get the message over that cancer can strike anybody, no matter how rich or famous."