Kendall Jenner is the latest star to sit down with photographer Mario Testino for his new podcast series. On her episode, the supermodel revealed a few secrets about her famous fashion friendships that most people probably don't know, including that she has actually been friends with Bella Hadid for longer than Gigi. 'Gigi and I just started getting close when we started modelling, but Bella and I were actually really good friends since high school, and hung out everyday in school before either of us started working,' she told Testino.