Jennifer Lopez and Alex Rodriguez have split.

The power couple called off their engagement after almost four years together, multiple sources confirm to PEOPLE Friday.

"This has been a long time coming," a source tells PEOPLE. "They are tied in their business worlds so it's not a cut and dry breakup. It's taken a while for them to even think about untangling it all."  More at www.CooperandAnthony.com, and watch us nightly at 7pm EST https://www.twitch.tv/cooperandanthony