Meet Alexandra Andresen the youngest billionaire in the world. This was revealed by Forbes in its 2016 ranking of the richest people on earth.
The Norwegian heiress, 19, is now worth $1.2 billion (£862 million). This was possible because In 2007 her father, Johan Andresen, transferred to her 42% of the stock in Ferd, the family's centuries-old private-investment company.