Hip-Hop has always been a musical genre known for its expensive taste. But when Jay-Z and Kanye West, two of rap’s biggest spenders, teamed up for Watch the Throne, no one knew their flows would be so costly. XXL staffers have been talking about the album since it dropped earlier this month, and have been fighting over whether Hov or 'Ye had the more pricey lines. Luckily, an inside source found the duo’s receipts. And if you didn’t know, they rich, bitch! —Jesse Gissen