Music producer DJ Mustard scored a huge win in his bitter divorce after his ex-wife agreed their prenuptial agreement was valid. According to court documents obtained by RadarOnline.com, Mustard [real name: Dijon McFarlane] and Chanel McFarlane informed the court they reached a deal. The deal stated both agreed the prenuptial agreement signed on October 9, 2020 is valid and enforceable. Chanel admitted she signed the prenup without being under duress or undue influence. “The Parties did not lack capacity to enter into the Premarital Agreement on October 9, 2020,” the deal said. In addition, “T…