Jennifer Lopez And Casper Smart Fight The couple Jennifer Lopez and Casper Smart formerly known always harmonious. But now, they seemed to be arguing. I wonder what the fuss about them?. As reported by the Dailymail, the couple who had always cast an aura of love is now even show aura feud. This is clear when they see the argument in the car. Chanter song Love Do not Cost A Thing it did not seem too pleased with the conversation. From a distance, it became clear expression that continues to raise eyebrows during the conversation took place. A moment later, a woman who is familiarly called J-Lo is out of the car without any kiss in Casper.