(Black Voices) — They say it’s lonely at the top, but not for supercouple Jay-Z and Beyonce. While there’s always talk about Jay-Z’s business savvy, his better half is also a mogul in her own right.  Beyonce’s recent ’I Am…World Tour’ DVD, released last November, is already an international best seller. It went double platinum in a week and was the best-selling music DVD of 2010 — remember it was only released in November. B’s earning potential seems limitless and could soon match Jay-Z’s estimated $450 million net worth in just a few years. Here’s a look at how the “Beyonce Effect” translates into major dollars for the Carter household.

Read More…