Drake's motto of "no new friends" has grown quite popular over the past year, but what happens if you lose your original friends? This is a pretty common occurrence in hip-hop; we've seen a number of celebrated groups, from N.W.A to Little Brother, break up over "differences" with each other. This is partly why the recent news of OutKast getting back together has been met with such joy. To keep the good feelings rolling,  XXL decided to compile a list of some of the biggest reunions in hip-hop.