RapperBig Sean has called off his engagement to "Glee" star Naya Rivera, his representative told People magazine Wednesday. "After careful thought and much consideration, Sean has made the difficult decision to call the wedding off," the rep said in a statement. "The recent rumors and accusations reported by so-called or fake sources are simply untrue. Sean wishes Naya nothing but the best and it is still his hope that they can continue to work through their issues privately. We will not be commenting again on this matter."