Gone are the days of Jennifer Lopez being love sick over Ben Affleck! (For now... The singer kickstarted her Las Vegas residency at Caesars Palace on New Year's Eve, and totally took a jab at her ex-husband in the process! While talking to the crowd during the opening show, J.Lo pointed out how long it's been since her last Vegas residency, which ran from 2016 to 2018. That was after her first engagement to the Good Will Hunting actor (which ended in 2003), but before her marriage to him, which they called off in 2024.