'Aging is inevitable!'

As Miranda approaches her 40th birthday, it is clear that the catwalk beauty is not worried about aging and prefers to think that "health is wealth."

She said: "Ageing is inevitable, but we can do things to really help our skin be the best it possibly can be. I've always felt like health is wealth. We realized there was so much more that we could be doing for our health on a daily basis."