After Lala Kent’s messy breakup from baby daddy and ex-fiancé Randall Emmett, the blonde beauty is more than happy to experience her second pregnancy without a romantic partner. In fact, the reality star couldn’t help but throw some shade at her former lover just two days after announcing she’s expecting a baby via a sperm donor. “The best part about my baby daddy is that he does not exist,” the Give Them Lala author, 33, quipped in her Tuesday, March 5, Amazon Live chat. “I have been pretty open about wanting to really have full control of — I guess not my child, but having them around me all…