Meet the world's youngest billionaire at just 19 years-old

With a net worth of $1.2billion,Alexandra Andresen is one of the richest people on the planet, after inheriting millions from her business-man father Johan Andresen.
The Andresen family own Ferd, a long-running private investment company.
In 2007, the Norwegian beauty shot to the top spot as the youngest billionaire in the world when her father transferred 42% of the business to Anexandra.