Jennifer Lopez and Ben Affleck reportedly planned out their divorce before the pop star officially filed to end their rollercoaster marriage. The Marry Me actress filed for divorce on Tuesday, August 20, coincidentally on their second wedding anniversary. The decision to part ways comes as a shock to many, especially considering the lack of legal counsel and a prenuptial agreement in place. However, the estranged couple allegedly went through “all the details” of their split. According to sources, Jennifer “finally pulled the trigger because that was their agreement that she would file, and sh…