10. Alannah Weston – $7.9 billion
Heiress to the Weston family fortune, Alannah has taken a creative director position at Selfridges in 2004. Together with her family, Alannah and the Westons own a chain of retail stores and bakeries. The public has voted Selfridges the “World’s Best Department Store” due to the changes brought on by Alannah since she was named deputy chairman of Selfridges Group.
