At the prestigious Serpentine Summer Party held in the scenic Kensington Gardens of London, the Reliance heiress, Isha Ambani, once again reminded the world of her impeccable fashion sensibilities. Ditching the trend of new-season looks, the entrepreneur made headlines for stepping out in a vintage Valentino Fall 2011 Couture gown, which she'd previously donned at Paris Fashion Week 2019.