13. PRINCESS MARIA-OLYMPIA OF GREECE AND DENMARK

The second generation of her family to have the King as her godfather. A regular in gossip columns, the 26-year-old model and socialite interned at Dior’s couture department and is dating property developer Peregrine Pearson, son and heir of the 4th Viscount Cowdray, whose family is worth a reputed £224 million.