Is a Post-Nuptial/Mid-Marriage Agreement Enforceable in New Jersey?

Lady Justice statue on an attorney's desk

During the recent defamation lawsuit featuring Johnny Depp and Amber Heard, the issue of Post-Nuptial Agreements was mentioned by Johnny Depp in his testimony. New Jersey family courts have often struggled with the enforceability of Post-Nuptial Agreements, which are sought out when the parties, for various reasons, are unable to reach agreement on a Prenuptial Agreement prior to their wedding date.