As Life & Style exclusively reported, Jennifer Lopez and Casper Smart's relationship is on the rocks due to nonstop fighting — and the former backup dancer is blaming the singer's busy career for their troubles.

“Casper is getting fed up with having to be on J. Lo’s schedule all the time,” an insider tells Life & Style, explaining that the 47-year-old is currently shooting her NBC drama Shades of Blue while also performing in her Las Vegas residency.

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“He’s been distant toward her lately. Things have been at an all-time low between them," the source adds.

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If the couple breaks things off for good, it will no doubt cause tension between J. Lo and her eight-year-old twins, Max and Emme, who appear to be very fond of the 29-year-old.

For more on your favorite celebrities, pick up the latest issue of Life & Style, on newsstands now! And scroll through the gallery below for photos of J. Lo, Casper and her kids.