North West is not warming up to her little brother, Saint, as Kim Kardashian-West had hoped. The Keeping Up With The Kardashians star tells Ryan Seacrest of Live! Kelly & Ryan that her kids are showing signs of sibling rivalry. "I don't know what it is," she says. "She does not like her brother," she adds. "The phase isn't going away." See what else the celebrity mom says about how she handles her daughter's jealousy in the clip above!