The secrets to Kim Keon-hee's age-defying looks: South Korean First Lady, 51, looks decades younger thanks to 'less-is-more make-up'. 'non-invasive treatments' and a strict skincare regime, claim cosmetic experts

Royals fans have shared their shock online after discovering Mrs Kim is 51 years old - with some saying she appears a decade or more younger amid her state visit to the UK.