She hails from racing royalty but has quickly cemented herself as a fashion icon. Inside Kate Waterhouse's wardrobe: Fashionista and racing royalty shared her chic spring essentials in an Instagram video on Sunday - including a $4,700 'everyday' Christian Dior bag and $700 beaded green party frock. At home with Kate: Perfecting the off-duty look in a white tank, straight-leg …
