We’ve said it once and we’ll say it again: North West is one trendy tot . And as of Wednesday night, it’s safe to say she’s joined her mom, aunt Kylie, the Hadid sisters, andeven Meryl Streep in the “Balmain army.” Case in point: Kim Kardashian shared a picture on Instagram of not one, not two, butthree custom baby Balmain jackets designer Olivier Rousteing made for Kimye’s kin.She posted : “I’m so honored that Northie is your little muse!