Rumi Carter
Rumi Carter is the twin sister of Sir Carter, which also makes her three years old. This little girl has an estimated net worth of about 1 billion dollars. With parents like Beyonce and Jay-Z, Rumi is set up for life without even having to lift a finger. Can you imagine if the Carter children grow up to be as talented as their parents? They would earn even more money to add to their hefty collection.
