Yung Joc — In the middle part of the previous decade, Joc’s international missile of a single “It’s Going Down” helped him make the top 20 of Forbes’ list of biggest money-making rappers, raking in a colossal $10 million in one year. “It’s Going Down” reached #3 on the Billboard pop charts and #1 on the rap charts. But being handcuffed under a bad deal with Diddy saw his rocket of a career explode in mid-air.