The divorce proceedings of Sherri Shepherd are starting to get very ugly, very fast.  Even as Shepherd’s current husband, Lamar Sally, has filed divorce papers against Shepherd, her first husband has joined in the legal conversation.  Jeffrey Tarpley, the father of Shepherd’s son Jeffrey Jr, is now demanding that he get full custody of the child, claiming that she is a horrible mother. According to TMZ, Tarpley is alleging that…