Jennifer Lopez is pouring herself into her work — and her fitness routine — as rumors continue to swirl that her marriage to Ben Affleck is headed for divorce. On Thursday, the singer, 54, was spotted leaving a dance studio in Los Angeles after another grueling rehearsal before her tour kicks off in June. She had her chiseled abs on full display in a bright yellow crop top as she walked to her parked SUV.Meanwhile, Affleck, 51, happily indulged himself on Thursday as he was seen puffing on a cigarette in his car before ordering pizza to his $100k-per-month Brentwood rental mansion. He’s been living at the property — located just two blocks away from his ex Jennifer Garner — for the last few weeks as he shoots his new film The Accountant 2 amid the JLo split rumors.It’s been claimed that Affleck and Lopez have clashed over their views on public attention after she aired out intimate details of their rekindled romance in her Prime Video documentary that was released in April.