The glamorous lives of celebrities don't come cheap, but thankfully they have their hefty paychecks to pay for their extravagant indulgences. What always amazes me is how much money A-list celebrities in their 20s have the potential to make. Curious to find out who tops the list of the highest-paid Gen Y celebrity? Forbes came out with a list today of young singers and actors who are raking in the most cash. Find out who tops the list.