The 'Australia's Got Talent' judge reached the milestone age last October and said that she has changed her eating habits to include more bread, rice and pasta now she is getting older, reported Contactmusic.
"It's all about eating carbs in your forties. Not so great for the figure, but you have to for your face," she said.
Minogue also said that she is thrilled that her Project D clothing line, which she founded with best friend Tabitha Somerset Webb, is growing further and is very excited about what the future holds for the firm.
"I love the business side of it and I'm learning all the time. But it's so time-consuming. We're re-branding at the moment, so we've got lots of exciting stuff on the cards - watch this space," she added.
