Who’s her role model – does she want to be the female Ralph Lauren? She puts her head on one side. “You know who I was thinking about the other day? Donna Karan, and what she achieved.” Karan received a payoff in the region of $400m when she sold her companies in 2001.

It would be hard for me to pick a particular designer, but Azzedine Alaïa is an absolute master. I have an enormous amount of respect for him, his brand, and the quality of his clothing.

Who is your favorite designer? Antonio Berardi is one of my good friends. I've known him for 10 years, and he made one of my wedding dresses. We had lunch this afternoon, and he took me to the showroom, and his precollection is absolutely amazing. So I'm a big fan of his at the moment.