the pony-tailed young woman sitting on a hay bale at a petting zoo with her little boy perched on her knee wore barely a trace of make-up .
the only giveaway that she was someone special was the diamond and sapphire ring sparkling on her .
while some other mothers nudged one another in disbelief as kate and prince george cooed over the new-born animals , that is no accident as this is exactly the informal , away-from-the-cameras upbringing william and kate want for their children .
that