Celebrity breakups are not uncommon in fact these relationships do not seem to have longevity. For months now there have been rumors that Jay-Z and Beyonce marriage is on the rocks. So far this is said to be nothing more than a rumor. What does not appear as a rumor however is that fact that Nick Cannon and Mariah Carey are splitting. Nick Cannon recently confirmed that the marriage is in trouble and that they are no longer living together. He has expressed concerns for their two children.