Kim Kardashian Reveals Kylie Jenner's $600 Million Deal Was a Year in the Making (Exclusive)

ET caught up with the 'Keeping Up With the Kardashians' star to talk about her collection of shapewear, SKIMS, where she also dished on being 'so proud' of her little sister for her boss business move, explained the big diamond ring she sported recently, which fans thought was the one stolen from her in Paris, and shared an update on her brother, Rob.