Julia Fox revealed that she lost 15 pounds during her brief yet highly publicized time dating Kanye West in a new interview published on Thursday. The 32 year old described the short relationship as “not sustainable” as she attempted to keep up with the rapper’s fast-paced lifestyle alongside her own full schedule as a working mum to one year old son Valentino shared with ex husband, Peter Artemiev. "I tried my best to make it work.