Following in the footsteps of Nicole Richie and Christina Aguilera, Jennifer Lopez called upon the experts at Hollywood favorite baby boutique Petit Tresor. The new mom opened a lengthy registry and had owners Nina and Sam help her design fabulous nurseries for the arrival of her twins! So what’s in store for the twins? J.Lo will keep her new baby boy wrapped in a cashmere cardigan, hat and bootie pants from Baby Cz, $279 and, of course, a matching pink ...